1 00:00:04,944 --> 00:00:06,784 INSECTS BUZZ 2 00:00:20,224 --> 00:00:22,064 IRRATIC BREATHING 3 00:01:21,224 --> 00:01:24,464 Our victim is Professor Alina Barbieri, 4 00:01:24,504 --> 00:01:26,624 Head Botanist at the Tropical House. 5 00:01:32,024 --> 00:01:35,184 Her face is burnt. 6 00:01:35,224 --> 00:01:37,024 I can't see any signs of fire. 7 00:01:37,064 --> 00:01:39,144 Well, she could have been moved. Mm. 8 00:01:39,184 --> 00:01:43,344 The body doesn't show any signs of combustion, so it wasn't a fire. 9 00:01:43,384 --> 00:01:44,504 INVESTIGATOR: Oh, be careful. 10 00:01:44,544 --> 00:01:47,304 Step away from that tree. 11 00:01:47,344 --> 00:01:49,744 Ooh, sorry. 12 00:01:49,784 --> 00:01:51,384 Didn't take that course in tropical medicine 13 00:01:51,424 --> 00:01:53,744 just for the month in the Maldives. 14 00:01:53,784 --> 00:01:57,984 Right, the deceased is lying under a Hippomane mancinella. 15 00:01:58,024 --> 00:02:00,144 Otherwise known as the Death Apple. 16 00:02:00,184 --> 00:02:02,664 Mm. Let's hope we find our wicked stepmother, 17 00:02:02,704 --> 00:02:04,144 get this wrapped up by lunch. 18 00:02:07,344 --> 00:02:09,904 The tree caused the burns to her face. 19 00:02:09,944 --> 00:02:11,344 Well, Patience said it wasn't a fire. 20 00:02:11,384 --> 00:02:14,064 She was quite correct, as usual. 21 00:02:14,104 --> 00:02:16,344 The sap on this tree is so corrosive 22 00:02:16,384 --> 00:02:19,384 that when it mixes with water, it turns to acid. 23 00:02:19,424 --> 00:02:21,184 And that's what's burnt her skin. 24 00:02:21,224 --> 00:02:22,464 But it didn't kill her. 25 00:02:22,504 --> 00:02:24,664 No, she was dead before she was exposed to the tree sap. 26 00:02:24,704 --> 00:02:25,784 So, what did? 27 00:02:25,824 --> 00:02:27,064 Her face is bloated. 28 00:02:28,144 --> 00:02:31,184 Fingertips are cyanosed, and there's vomit near the body, 29 00:02:31,224 --> 00:02:33,264 so she was poisoned. 30 00:02:33,304 --> 00:02:36,984 Half the things in here look like they could kill you. 31 00:02:37,024 --> 00:02:38,664 I mean, maybe it was an accident. 32 00:02:38,704 --> 00:02:40,624 She was a botanist. She knew these plants, 33 00:02:40,664 --> 00:02:42,424 how to handle them. 34 00:02:42,464 --> 00:02:45,664 Why would she have knowingly ingested something poisonous? 35 00:02:45,704 --> 00:02:47,544 Maybe she was forced to. 36 00:02:47,584 --> 00:02:48,824 The tree. Patience! Careful! 37 00:02:48,864 --> 00:02:50,464 Oh, sorry! 38 00:02:58,984 --> 00:03:01,264 POLICE RADIO CHATTER 39 00:03:01,304 --> 00:03:03,304 On the body we found an asthma inhaler, 40 00:03:03,344 --> 00:03:05,184 a staff pass, and a mobile phone. 41 00:03:05,224 --> 00:03:06,384 Anything interesting on the phone? 42 00:03:06,424 --> 00:03:08,384 Yeah, the latest message from someone called "Teo", 43 00:03:08,424 --> 00:03:11,744 it says, "I drowned Paco, hurry to Rufforth." 44 00:03:11,784 --> 00:03:12,864 Oh, that is interesting. 45 00:03:12,904 --> 00:03:15,144 Yeah, no-one called "Paco" has been reported missing. 46 00:03:15,184 --> 00:03:18,224 And no-one's reported any drownings in the last 24 hours. 47 00:03:18,264 --> 00:03:20,264 But we do have a lead on Teo. 48 00:03:20,304 --> 00:03:22,944 He's the brother of the deceased, and he's got a record. 49 00:03:22,984 --> 00:03:24,704 Right, what's Rufforth? 50 00:03:24,744 --> 00:03:28,624 Oh, uh, it's a village six miles out of the city centre. 51 00:03:28,664 --> 00:03:30,704 Uh, Professor Barbieri had a property there. 52 00:03:30,744 --> 00:03:32,704 Former farm, loads of greenhouses. 53 00:03:32,744 --> 00:03:35,384 And it's where Teo drowned Paco. So, let's head out there. 54 00:03:35,424 --> 00:03:36,824 Uh, wait, sorry. 55 00:03:36,864 --> 00:03:40,104 No, we've not identified the poison that killed the professor, 56 00:03:40,144 --> 00:03:42,704 and I've not had a chance to check the archive, so. 57 00:03:42,744 --> 00:03:44,424 My gut says it's the brother. 58 00:03:44,464 --> 00:03:46,264 And also that there's a great farm shop on the way. 59 00:03:46,304 --> 00:03:47,744 Well, shouldn't we wait for backup? 60 00:03:47,784 --> 00:03:49,624 You know, seeing as the brother's been drowning people? 61 00:03:49,664 --> 00:03:50,744 Oh, come on, DS Hunter. 62 00:03:50,784 --> 00:03:53,424 All that bench pressing. You can take him. 63 00:03:53,464 --> 00:03:54,544 I'll get the car started. 64 00:03:54,584 --> 00:03:55,864 Well, no, no. Sorry. 65 00:03:55,904 --> 00:03:58,704 There's a process, we need to do things in an order. 66 00:03:58,744 --> 00:04:01,064 No. No, you need to do things in an order. I'm fine. 67 00:04:01,104 --> 00:04:02,584 And also if we don't go, then I have to deal 68 00:04:02,624 --> 00:04:04,344 with the mountain of paperwork that you created 69 00:04:04,384 --> 00:04:06,944 destroying the crime scene. 70 00:04:06,984 --> 00:04:10,264 Listen, whatever's happened between you and SOCO boy, 71 00:04:10,304 --> 00:04:13,584 you need to find a way of keeping it professional. 72 00:04:13,624 --> 00:04:14,744 You know, since you've been here, 73 00:04:14,784 --> 00:04:18,464 you've said 55 things to make someone else feel uncomfortable. 74 00:04:18,504 --> 00:04:20,824 What are you...? Bloody hell, you're actually counting. 75 00:04:20,864 --> 00:04:22,704 You do it on purpose. 76 00:04:22,744 --> 00:04:24,504 It's like you don't care about anyone else but yourself. 77 00:04:24,544 --> 00:04:25,704 I care about the job. 78 00:04:25,744 --> 00:04:28,144 You think we're here just to make friends? 79 00:04:28,184 --> 00:04:30,544 I'm just asking you to be professional. 80 00:04:30,584 --> 00:04:33,024 You are not professional. 81 00:04:33,064 --> 00:04:34,184 Don't put your headphones... 82 00:04:34,224 --> 00:04:37,184 Stop calling me headphones. 83 00:04:37,224 --> 00:04:38,864 I'm not here to look after you. 84 00:04:38,904 --> 00:04:40,064 I am not your mother. 85 00:04:40,104 --> 00:04:42,544 No, my mother's dead. 86 00:04:42,584 --> 00:04:44,464 My name is Patience. 87 00:04:47,904 --> 00:04:50,504 Well, she obviously had a keen sense of irony. 88 00:05:07,504 --> 00:05:09,184 There's someone in there. 89 00:05:15,664 --> 00:05:16,944 Teo Barbieri? 90 00:05:16,984 --> 00:05:18,144 Yeah? 91 00:05:20,424 --> 00:05:22,824 Where's Paco? 92 00:05:22,864 --> 00:05:24,344 Paco? 93 00:05:26,704 --> 00:05:30,344 Uh, just here. 94 00:05:30,384 --> 00:05:32,344 So, this is Paco? 95 00:05:32,384 --> 00:05:33,744 Yep. 96 00:05:33,784 --> 00:05:35,784 He's a mimosa pudica. 97 00:05:35,824 --> 00:05:37,064 He's hypersensitive. 98 00:05:37,104 --> 00:05:38,264 Look. 99 00:05:40,184 --> 00:05:41,224 See? 100 00:05:41,264 --> 00:05:42,304 Hmm. 101 00:05:42,344 --> 00:05:43,704 He's my sister's pride and joy. 102 00:05:43,744 --> 00:05:46,584 She is fascinated by plant neurobiology. 103 00:05:47,904 --> 00:05:50,344 How plants sort of process and use information 104 00:05:50,384 --> 00:05:52,304 that they gather from the wildings. 105 00:05:52,344 --> 00:05:54,584 A lot like we do, honestly. 106 00:05:54,624 --> 00:05:56,304 The, uh, the rose fell off 107 00:05:56,344 --> 00:05:58,064 the watering can and I flooded the pot. 108 00:05:58,104 --> 00:06:00,264 Nearly drowned him. But, you know, I think, 109 00:06:00,304 --> 00:06:02,824 uh, I think I've managed to save him. 110 00:06:02,864 --> 00:06:04,024 Hopefully. 111 00:06:09,184 --> 00:06:11,704 Is everything all right? 112 00:06:11,744 --> 00:06:13,264 Would you like to take a seat? 113 00:06:15,744 --> 00:06:16,984 OK. 114 00:06:24,504 --> 00:06:25,824 When did you last see her? 115 00:06:29,024 --> 00:06:31,504 Not for a couple of days, but... 116 00:06:31,544 --> 00:06:32,984 ..it's not unusual. 117 00:06:33,024 --> 00:06:35,504 She'd often work late. Nights even. 118 00:06:39,064 --> 00:06:40,224 I should've known something was wrong 119 00:06:40,264 --> 00:06:42,264 when she didn't come to check on Paco. 120 00:06:47,704 --> 00:06:49,424 I can't look after all this myself. 121 00:06:51,384 --> 00:06:53,184 I don't know what I'm gonna do. 122 00:06:57,544 --> 00:06:59,184 I don't know what I'm gonna do. 123 00:07:15,064 --> 00:07:17,344 Is the, uh, brother a suspect? 124 00:07:17,384 --> 00:07:19,864 I'm not getting killer instincts. 125 00:07:19,904 --> 00:07:21,904 He's got no obvious motive. 126 00:07:21,944 --> 00:07:24,664 Is he the sole beneficiary of his sister's estate? 127 00:07:24,704 --> 00:07:28,144 Yes, but Alina gave him everything he needed at the farm. 128 00:07:28,184 --> 00:07:31,664 I mean, why kill her for the inheritance? 129 00:07:31,704 --> 00:07:32,944 What's with the plant? 130 00:07:32,984 --> 00:07:37,704 Oh, not a suspect at this stage, sir, possibly a witness. 131 00:07:37,744 --> 00:07:39,784 Parson's got something for you in the morgue. 132 00:07:39,824 --> 00:07:42,824 Ah. Keep me updated on the, um, witness situation. 133 00:07:42,864 --> 00:07:44,064 Yeah, sir. 134 00:07:45,304 --> 00:07:47,904 Have you, uh, spoken to Patience, yeah? 135 00:07:47,944 --> 00:07:50,184 If she wants to sulk, let her. 136 00:07:50,224 --> 00:07:53,424 We don't all express our feelings in the same way. 137 00:07:53,464 --> 00:07:55,464 I find that plant easier to read. 138 00:08:03,904 --> 00:08:07,464 I found half-digested acacia leaves in the professor's stomach. 139 00:08:07,504 --> 00:08:08,904 Right, so that's the cause of death? 140 00:08:08,944 --> 00:08:11,384 Mm. It's odd, certainly. 141 00:08:11,424 --> 00:08:13,544 Tannins in acacia leaves are poisonous, 142 00:08:13,584 --> 00:08:16,304 but not enough to cause death. 143 00:08:16,344 --> 00:08:19,944 Um, uh, an acacia tree that senses it's under attack 144 00:08:19,984 --> 00:08:22,744 from an animal makes its leaves taste more bitter, 145 00:08:22,784 --> 00:08:25,304 to defend itself. 146 00:08:25,344 --> 00:08:28,464 So, it does this by increasing its tannin level. 147 00:08:28,504 --> 00:08:29,944 Mm. 148 00:08:29,984 --> 00:08:31,384 Plant neurobiology. 149 00:08:31,424 --> 00:08:34,984 So, an acacia plant technically could produce tannin 150 00:08:35,024 --> 00:08:37,024 at a strength to cause death. 151 00:08:37,064 --> 00:08:38,864 That's not likely to come under attack 152 00:08:38,904 --> 00:08:40,424 in a tropical greenhouse, is it? 153 00:08:40,464 --> 00:08:41,504 Not by an animal perhaps, 154 00:08:41,544 --> 00:08:45,024 but maybe someone being more deliberate. 155 00:08:45,064 --> 00:08:47,184 Oh. Let me know what you find. 156 00:08:53,344 --> 00:08:54,984 You coming? 157 00:08:58,344 --> 00:08:59,744 CHURCH BELLS TOLL 158 00:09:09,304 --> 00:09:10,624 DOOR OPENS 159 00:09:22,824 --> 00:09:26,104 Can I help you? 160 00:09:26,144 --> 00:09:27,544 I'm, um, I'm, uh... 161 00:09:28,584 --> 00:09:29,904 I'm looking for Patience. 162 00:09:31,544 --> 00:09:33,904 I'm a friend of hers and Elliot's. 163 00:09:33,944 --> 00:09:35,024 She's not in just now. 164 00:09:36,544 --> 00:09:37,784 Is that for her? 165 00:09:40,544 --> 00:09:41,584 Shall I take it? 166 00:09:53,144 --> 00:09:54,584 Over here. 167 00:09:54,624 --> 00:09:55,744 This is an acacia. 168 00:10:01,064 --> 00:10:02,384 There are cuts. 169 00:10:03,464 --> 00:10:05,544 I mean, they're deep enough to aggravate the tree 170 00:10:05,584 --> 00:10:07,304 and increase its levels of tannin. 171 00:10:10,624 --> 00:10:12,464 Oh, what have we got here? 172 00:10:17,504 --> 00:10:21,024 Could they have been created using these? 173 00:10:21,064 --> 00:10:23,304 Uh, could've been. 174 00:10:23,344 --> 00:10:25,504 God, I don't even drink bad coffee, 175 00:10:25,544 --> 00:10:28,864 so I don't know how they got her to chew and swallow bitter leaves. 176 00:10:28,904 --> 00:10:30,464 Could it have been a suicide? 177 00:10:30,504 --> 00:10:32,704 No. I think we need to talk to Teo again. 178 00:10:40,624 --> 00:10:42,704 I didn't mean you to go to any trouble. 179 00:10:42,744 --> 00:10:44,944 Oh, come on, biscuits are never any trouble. 180 00:10:47,304 --> 00:10:50,544 So, how did you say you knew Patience? 181 00:10:50,584 --> 00:10:52,344 Uh, through work. 182 00:10:52,384 --> 00:10:54,944 Um, what is it you do there? 183 00:10:54,984 --> 00:10:56,384 I'm a cleaner. 184 00:10:58,384 --> 00:11:01,864 Is she gonna be much longer? 185 00:11:01,904 --> 00:11:04,064 Shall we finish the pot 186 00:11:04,104 --> 00:11:06,424 and then you can tell me why you're lying to me? 187 00:11:14,824 --> 00:11:16,464 I'm gonna go this way. 188 00:11:39,384 --> 00:11:41,064 Any sign of him? No, nothing. 189 00:11:41,104 --> 00:11:42,344 I'm gonna put a call out. 190 00:11:42,384 --> 00:11:43,824 All right. 191 00:12:02,424 --> 00:12:03,784 Jake. 192 00:12:28,104 --> 00:12:29,784 That's a lot of weed. 193 00:12:29,824 --> 00:12:31,264 Yep. 194 00:12:37,504 --> 00:12:39,424 Hello, Teo. 195 00:12:39,464 --> 00:12:42,344 I'm assuming you've got a licence for these? 196 00:12:42,384 --> 00:12:43,784 Hello. 197 00:12:46,504 --> 00:12:47,704 Come on, mate. 198 00:12:50,064 --> 00:12:51,744 POLICE OFFICER: Come with me, sir. All right. 199 00:12:54,504 --> 00:12:57,064 Looks like your instinct to go after him was spot-on. 200 00:12:58,584 --> 00:13:00,104 Where's Patience? 201 00:13:30,704 --> 00:13:32,064 You can't tell her this now. 202 00:13:34,504 --> 00:13:36,744 I've waited a long time. 203 00:13:36,784 --> 00:13:39,544 Another few weeks won't hurt. 204 00:13:39,584 --> 00:13:41,504 It's not your decision. 205 00:13:41,544 --> 00:13:45,024 Yeah, but I know her, and clearly, you don't. 206 00:13:46,904 --> 00:13:50,104 She's in a particularly vulnerable place now. 207 00:13:51,904 --> 00:13:53,144 Please... 208 00:13:55,384 --> 00:13:58,104 Please, let me tell her. 209 00:13:58,144 --> 00:13:59,824 Just let me find the right moment. 210 00:14:26,184 --> 00:14:28,824 WHISPERS: Oh, no. 211 00:14:32,464 --> 00:14:34,944 I knew the brother was hiding something. 212 00:14:34,984 --> 00:14:37,824 Well, the pattern of his previous offences 213 00:14:37,864 --> 00:14:40,824 doesn't statistically really lead to murder. 214 00:14:40,864 --> 00:14:42,304 I know. 215 00:14:43,344 --> 00:14:44,984 What's this? 216 00:14:45,024 --> 00:14:46,864 I don't know. 217 00:14:46,904 --> 00:14:48,224 It's not cannabis. 218 00:14:48,264 --> 00:14:50,344 And the professor was obviously researching it, 219 00:14:50,384 --> 00:14:52,824 I was gonna try and make sense of those notes, but... 220 00:14:52,864 --> 00:14:54,224 Yeah, I'm just trying to work out what it is. 221 00:14:54,264 --> 00:14:55,504 OK. 222 00:14:57,104 --> 00:15:00,464 Well, there's more of them growing over there. 223 00:15:00,504 --> 00:15:02,824 I'm going cos you're making me uncomfortable. 224 00:15:07,424 --> 00:15:08,984 You all right? 225 00:15:14,944 --> 00:15:17,544 Do I make you feel uncomfortable? 226 00:15:17,584 --> 00:15:19,184 What, like right now? Yeah. 227 00:15:22,304 --> 00:15:25,544 You know, maybe you should try and apologise to her. 228 00:15:30,544 --> 00:15:32,384 I think we should bag one of those lot. 229 00:15:59,384 --> 00:16:00,864 HE KNOCKS 230 00:16:13,904 --> 00:16:16,584 Uh, I found a... 231 00:16:18,264 --> 00:16:21,664 ..harassment claim that Professor Barbieri filed. 232 00:16:21,704 --> 00:16:22,744 Thank you. 233 00:16:24,384 --> 00:16:26,584 I actually came down here to see if you're OK. 234 00:16:30,024 --> 00:16:32,024 Um, yeah, well, I... 235 00:16:32,064 --> 00:16:35,584 ..I think the plant that I fell into caused some skin irritations, 236 00:16:35,624 --> 00:16:36,984 but it's clearing up now. 237 00:16:42,944 --> 00:16:44,784 And I saw Elliot with someone else. 238 00:16:45,944 --> 00:16:47,424 Mm. 239 00:16:48,864 --> 00:16:52,544 Well, maybe you should move on too. 240 00:16:52,584 --> 00:16:54,304 Meet some new people. 241 00:16:54,344 --> 00:16:55,744 Yeah. I mean, how would I do that? 242 00:16:55,784 --> 00:16:57,664 It's not gonna happen down here, is it? 243 00:16:57,704 --> 00:16:59,784 No. I want to keep it separate from work. 244 00:17:02,984 --> 00:17:07,104 I'm trying out speed dating, if you're interested. 245 00:17:07,144 --> 00:17:09,824 What's speed dating? 246 00:17:09,864 --> 00:17:11,584 All right, Gen Z. 247 00:17:11,624 --> 00:17:13,984 It's where you meet lots of people for a few minutes at a time 248 00:17:14,024 --> 00:17:16,064 and ask them questions, see if you're compatible. 249 00:17:16,104 --> 00:17:18,624 Wow. That's actually a... 250 00:17:18,664 --> 00:17:22,304 ..really efficient way of accumulating a lot of useful data. 251 00:17:22,344 --> 00:17:24,224 That's a way of looking at it, yeah. 252 00:17:28,704 --> 00:17:29,864 All right. 253 00:17:41,264 --> 00:17:44,624 They were a gift from Alina. 254 00:17:44,664 --> 00:17:46,384 She used to borrow them sometimes. 255 00:17:48,984 --> 00:17:50,664 You know what this looks like, Teo. 256 00:17:50,704 --> 00:17:52,424 That you killed Alina 257 00:17:52,464 --> 00:17:54,824 to stop her from telling anyone about your cannabis lab. 258 00:17:54,864 --> 00:17:56,384 Of course not. 259 00:17:56,424 --> 00:17:57,944 No, the farm was Alina's idea. 260 00:17:57,984 --> 00:17:59,664 OK, so what happened? 261 00:17:59,704 --> 00:18:02,304 Bad deal? Stepped on someone else's patch? 262 00:18:02,344 --> 00:18:06,464 No, we didn't just deal to anyone like that. 263 00:18:06,504 --> 00:18:08,024 Yeah, I mean, your criminal record... 264 00:18:08,064 --> 00:18:10,264 OK. ..shoplifting, antisocial behaviour. 265 00:18:10,304 --> 00:18:11,824 It's a big jump to drugs baron... 266 00:18:11,864 --> 00:18:13,544 I'm not a drugs baron. 267 00:18:13,584 --> 00:18:14,624 ..let alone a murderer. 268 00:18:14,664 --> 00:18:15,944 No, you... 269 00:18:15,984 --> 00:18:17,544 You've got this all wrong. 270 00:18:17,584 --> 00:18:19,424 There is a distinct possibility. 271 00:18:19,464 --> 00:18:20,824 So... 272 00:18:20,864 --> 00:18:22,344 ..put me right. 273 00:18:25,504 --> 00:18:26,944 I had a breakdown. 274 00:18:32,384 --> 00:18:34,344 I lived on the streets. 275 00:18:34,384 --> 00:18:36,704 Alina took me in, 276 00:18:36,744 --> 00:18:40,584 and we started the farm to sell weed to people 277 00:18:40,624 --> 00:18:42,544 with chronic pain. That's it. 278 00:18:45,304 --> 00:18:48,984 You're looking at five years, Teo. 279 00:18:49,024 --> 00:18:51,064 What did Alina get out of this? 280 00:18:55,144 --> 00:18:57,904 The money. 281 00:18:57,944 --> 00:18:59,024 The money. 282 00:19:01,424 --> 00:19:08,264 Every penny that we made went back into her research. 283 00:19:11,984 --> 00:19:13,744 And was this part of her research? 284 00:19:18,264 --> 00:19:19,824 Yeah. What is it? 285 00:19:25,584 --> 00:19:27,424 I don't know. 286 00:19:27,464 --> 00:19:29,024 I don't. 287 00:19:32,384 --> 00:19:33,464 She wouldn't tell me. 288 00:19:35,864 --> 00:19:40,184 She said the less I knew, the less danger I would be in. 289 00:19:44,424 --> 00:19:47,704 What was Professor Barbieri researching? 290 00:19:47,744 --> 00:19:49,224 Why did she think it put her in danger? 291 00:19:49,264 --> 00:19:51,464 Who did you think she was in danger from? 292 00:19:51,504 --> 00:19:54,024 Uh, Professor Barbieri worked for a pharmaceutical company 293 00:19:54,064 --> 00:19:57,744 called Brovexum up until 18 months ago when she left abruptly. 294 00:19:57,784 --> 00:19:58,944 Hmm. 295 00:19:58,984 --> 00:20:01,744 What was a botanist doing working for a pharmaceuticals company? 296 00:20:01,784 --> 00:20:03,624 I mean, historically plants have been a significant source 297 00:20:03,664 --> 00:20:04,904 of medicinal compounds. 298 00:20:04,944 --> 00:20:07,624 Yeah. Patience found something in the archive. 299 00:20:07,664 --> 00:20:09,744 Um, when Professor Barbieri left, 300 00:20:09,784 --> 00:20:13,024 Brovexum filed an accusation of patent theft. 301 00:20:13,064 --> 00:20:14,384 Yeah, and then a few months ago, 302 00:20:14,424 --> 00:20:17,384 she made a claim of harassment against Brovexum. 303 00:20:17,424 --> 00:20:20,464 She said they sent her intimidating emails and letters, 304 00:20:20,504 --> 00:20:22,544 and then her home was broken into. 305 00:20:22,584 --> 00:20:25,024 Nothing was taken, but her papers were disturbed. 306 00:20:25,064 --> 00:20:26,984 What happened to the complaint? 307 00:20:27,024 --> 00:20:28,424 Well, the file's full of lawyers' letters. 308 00:20:28,464 --> 00:20:30,944 It looks like Brovexum came down on it like a tonne of bricks. 309 00:20:30,984 --> 00:20:33,624 They sue first, ask questions later. 310 00:20:33,664 --> 00:20:35,304 Will, you're across the professor's emails, 311 00:20:35,344 --> 00:20:36,984 can you pull up anything from Brovexum 312 00:20:37,024 --> 00:20:38,144 or anyone associated with them? 313 00:20:38,184 --> 00:20:39,384 Ma'am. 314 00:20:39,424 --> 00:20:43,584 So, what else were Brovexum up to? Any patents in the archives? 315 00:20:43,624 --> 00:20:44,624 Um... 316 00:20:46,984 --> 00:20:51,704 Uh, I've not...not checked, I've been distracted. 317 00:20:51,744 --> 00:20:53,464 We need something concrete on Brovexum 318 00:20:53,504 --> 00:20:54,784 before we go anywhere near them. 319 00:20:54,824 --> 00:20:55,944 Mm. 320 00:20:55,984 --> 00:20:58,664 Anyone else the professor was specifically worried about? 321 00:20:58,704 --> 00:20:59,864 Any names in the files? 322 00:20:59,904 --> 00:21:01,784 Well, the letters are from a Marissa Wilson. 323 00:21:01,824 --> 00:21:04,664 She's a lawyer that we've dealt with in the past. 324 00:21:04,704 --> 00:21:06,344 Looks like she's gone corporate. 325 00:21:06,384 --> 00:21:07,984 She's their head of compliance. 326 00:21:08,024 --> 00:21:09,224 Mm. 327 00:21:09,264 --> 00:21:14,144 Alina was risking everything on whatever she was working on. 328 00:21:14,184 --> 00:21:15,864 I'm gonna talk to Marissa Wilson. 329 00:21:22,864 --> 00:21:25,624 I want it noted that I'm cooperating voluntarily. 330 00:21:25,664 --> 00:21:26,824 Noted. Please. 331 00:21:26,864 --> 00:21:30,384 What was Professor Barbieri working on when she was here? 332 00:21:30,424 --> 00:21:32,224 I can't discuss our research programmes with you, 333 00:21:32,264 --> 00:21:33,424 they're confidential. 334 00:21:33,464 --> 00:21:34,864 Why did she leave? 335 00:21:34,904 --> 00:21:39,384 And I'm not at liberty to discuss employee HR records. 336 00:21:39,424 --> 00:21:44,144 I have to say, Ms Wilson, this doesn't feel very cooperative. 337 00:21:44,184 --> 00:21:46,264 Don't pursue this. 338 00:21:46,304 --> 00:21:49,424 My legal team would bankrupt your entire department in a week. 339 00:21:52,544 --> 00:21:55,744 What was the patent you accused Professor Barbieri of stealing? 340 00:21:55,784 --> 00:21:57,864 Even if I had the time to explain it to you, 341 00:21:57,904 --> 00:21:59,384 I very much doubt you'd understand it. 342 00:21:59,424 --> 00:22:00,664 Right. OK. 343 00:22:00,704 --> 00:22:04,424 A patent, uh, protects a product or a process. 344 00:22:04,464 --> 00:22:06,184 Right so far? 345 00:22:07,904 --> 00:22:10,464 Alina wasn't selling a product. 346 00:22:10,504 --> 00:22:12,664 So, you accused her of stealing a process or an idea. 347 00:22:12,704 --> 00:22:14,304 It's not that complicated. 348 00:22:14,344 --> 00:22:16,064 Why would you break in 349 00:22:16,104 --> 00:22:19,664 and ransack her home looking for an idea? 350 00:22:22,144 --> 00:22:23,984 I've done a lot of work in Manchester. 351 00:22:24,024 --> 00:22:27,384 I think you know Chief Superintendent Banks. 352 00:22:27,424 --> 00:22:30,024 You two used to work together, didn't you? 353 00:22:39,424 --> 00:22:41,904 Thank you for your cooperation. 354 00:22:46,904 --> 00:22:49,504 Anything interesting turn up? Hey. 355 00:22:49,544 --> 00:22:52,424 We've got the mystery plant ID, artemisia annua. 356 00:22:52,464 --> 00:22:54,784 It's used in Chinese medicine against fevers 357 00:22:54,824 --> 00:22:57,464 and a key component in the anti-malaria drug 358 00:22:57,504 --> 00:22:59,784 that Brovexum brought to the market. 359 00:22:59,824 --> 00:23:02,264 So, Brovexum has been accused of intimidation 360 00:23:02,304 --> 00:23:05,224 and harassment 18 times in the past two years. 361 00:23:05,264 --> 00:23:07,104 A group of patients are taking legal action, 362 00:23:07,144 --> 00:23:08,464 and several have made complaints. 363 00:23:08,504 --> 00:23:09,664 What's the legal action about? 364 00:23:09,704 --> 00:23:10,784 Side-effects of a drug. 365 00:23:10,824 --> 00:23:11,864 What's the drug? 366 00:23:11,904 --> 00:23:15,304 Uh, it's an anti-malaria drug. Uh, the key component is... 367 00:23:15,344 --> 00:23:16,624 Artemisa annua. 368 00:23:16,664 --> 00:23:18,344 Yeah. 369 00:23:18,384 --> 00:23:21,424 It's the plant that the professor was researching in the lab. 370 00:23:23,904 --> 00:23:25,424 Alina must have been working 371 00:23:25,464 --> 00:23:27,584 on the malaria drug before she left Brovexum. 372 00:23:27,624 --> 00:23:29,504 Well, so she knew about the side-effects, 373 00:23:29,544 --> 00:23:31,464 and her research, her notes, 374 00:23:31,504 --> 00:23:33,264 it was the pattern she was looking for. 375 00:23:33,304 --> 00:23:35,824 Yeah. Maybe she found evidence. 376 00:23:35,864 --> 00:23:39,544 Something she could prove Brovexum knew that they didn't want exposed. 377 00:23:39,584 --> 00:23:41,384 Well, they'd break into her house for that. 378 00:23:41,424 --> 00:23:43,144 And that would be a threat. 379 00:23:43,184 --> 00:23:45,064 Enough to go after her and try and discredit her. 380 00:23:45,104 --> 00:23:47,304 Yeah, but is it worth killing her for? 381 00:23:47,344 --> 00:23:49,344 Yeah. I don't know. 382 00:23:49,384 --> 00:23:51,984 I mean, it's not just that. Why was she growing Artemesia annua? 383 00:23:52,024 --> 00:23:54,544 Why was she risking everything running a cannabis farm 384 00:23:54,584 --> 00:23:55,824 to fund her research? 385 00:23:55,864 --> 00:23:58,864 Alina was using what she learnt about Artemisia annua at Brovexum 386 00:23:58,904 --> 00:24:01,304 to try and find a better alternative. 387 00:24:01,344 --> 00:24:03,144 An anti-malaria drug without the side-effects. 388 00:24:03,184 --> 00:24:04,344 Right. 389 00:24:04,384 --> 00:24:06,744 She didn't want to just expose Brovexum, 390 00:24:06,784 --> 00:24:08,864 she wanted to put them out of business. Yeah. 391 00:24:08,904 --> 00:24:11,064 Yeah, that's motive enough to kill her. 392 00:24:11,104 --> 00:24:14,144 But how do we prove all of that? 393 00:24:14,184 --> 00:24:18,024 Well, proving what she was working on would be a start. 394 00:24:18,064 --> 00:24:19,184 Delphine Burrand. 395 00:24:20,984 --> 00:24:22,824 When I was searching the professor's emails, 396 00:24:22,864 --> 00:24:24,784 uh, looking for connections to Brovexum, 397 00:24:24,824 --> 00:24:28,144 I pulled up a personal email from a Delphine Burrand. 398 00:24:28,184 --> 00:24:30,024 What's it about? 399 00:24:30,064 --> 00:24:32,504 A lift to work. They seem friendly. 400 00:24:32,544 --> 00:24:34,344 Well, uh, the dates match up. 401 00:24:34,384 --> 00:24:37,624 I mean, they worked in the same department 402 00:24:37,664 --> 00:24:40,024 and they left at the same time. 403 00:24:40,064 --> 00:24:42,824 Maybe she can tell us what they were working on and why they left. 404 00:24:44,024 --> 00:24:46,144 Great work, team. 405 00:24:46,184 --> 00:24:47,984 Let's find Delphine Burrand. 406 00:24:48,024 --> 00:24:49,704 Actually we're, uh, we're going out tonight. 407 00:24:49,744 --> 00:24:51,504 Yeah, we're going speed dating. 408 00:24:51,544 --> 00:24:52,624 Yep. 409 00:24:52,664 --> 00:24:54,384 But, but not with each other. 410 00:24:54,424 --> 00:24:57,064 Well, with each other, but not WITH each other. 411 00:25:00,544 --> 00:25:03,824 Um, well, Jake says I'll feel better if I meet new people. 412 00:25:03,864 --> 00:25:05,344 Ah. 413 00:25:05,384 --> 00:25:08,744 Celebrating any major milestones with your aunt tonight, Will? 414 00:25:08,784 --> 00:25:11,224 No, I'm on it. 415 00:25:11,264 --> 00:25:13,024 OK, well, I'll meet you there. 416 00:25:13,064 --> 00:25:14,504 I've got to go home and practice first. 417 00:25:14,544 --> 00:25:15,944 Cool. 418 00:25:15,984 --> 00:25:17,784 Practice for what? 419 00:25:27,824 --> 00:25:30,944 DOOR OPENS, CLOSES 420 00:25:30,984 --> 00:25:32,184 Hello, love. 421 00:25:32,224 --> 00:25:33,264 Hi. 422 00:25:33,304 --> 00:25:35,824 Fancy having, uh, dinner together this evening? 423 00:25:35,864 --> 00:25:37,344 Uh, no, I can't. 424 00:25:37,384 --> 00:25:40,144 Uh, I'm meeting a friend tonight and I need to practice. 425 00:25:40,184 --> 00:25:43,344 Oh, lovely. Yeah. Great news. 426 00:25:43,384 --> 00:25:45,064 Uh, never mind, another time. 427 00:25:45,104 --> 00:25:46,264 OK. 428 00:25:55,944 --> 00:26:00,024 OK. Uh, so I'm gonna smile to make him feel comfortable. 429 00:26:00,064 --> 00:26:02,824 I'm gonna laugh at his jokes, even if I don't understand them, 430 00:26:02,864 --> 00:26:05,504 and I practiced my list of questions. 431 00:26:05,544 --> 00:26:06,704 What about you? 432 00:26:06,744 --> 00:26:08,544 I was just gonna wing it. 433 00:26:08,584 --> 00:26:09,744 BELL RINGS 434 00:26:18,264 --> 00:26:19,744 Hi. Hi. 435 00:26:19,784 --> 00:26:20,864 Hi. Hi. 436 00:26:20,904 --> 00:26:23,424 Are you a cat or dog person? 437 00:26:23,464 --> 00:26:24,784 Oh, I love both. 438 00:26:24,824 --> 00:26:28,904 This is just about widening my social circle, you know. 439 00:26:28,944 --> 00:26:30,704 Hi. Hi. 440 00:26:30,744 --> 00:26:32,344 So, what do you do? 441 00:26:32,384 --> 00:26:34,424 Oh, I'm a, I'm a police detective. 442 00:26:34,464 --> 00:26:35,704 Wow. Yeah. 443 00:26:35,744 --> 00:26:37,144 So, what do you like to do on the weekends? 444 00:26:37,184 --> 00:26:39,984 I'd like to go scuba diving. 445 00:26:40,024 --> 00:26:41,064 Oh. Have you ever went? 446 00:26:41,104 --> 00:26:42,984 No, I-I wouldn't want to go scuba diving 447 00:26:43,024 --> 00:26:44,584 cos of the risks. 448 00:26:44,624 --> 00:26:49,064 Decompression sickness, nitrogen narcosis, barotrauma. 449 00:26:49,104 --> 00:26:51,184 Like, where else would I meet one of those? 450 00:26:51,224 --> 00:26:54,344 Yeah. Well, if you, uh, ever need to know how to dispose of a body, 451 00:26:54,384 --> 00:26:56,544 I'm your guy. HE LAUGHS 452 00:26:56,584 --> 00:26:57,584 Um... 453 00:26:57,624 --> 00:27:00,824 Salt water aspiration, air or gas embolism. 454 00:27:00,864 --> 00:27:02,984 On the apps there's...there's always someone new, 455 00:27:03,024 --> 00:27:04,704 it's really easy to move on. But this is, 456 00:27:04,744 --> 00:27:06,584 uh, it's a full six minutes, 457 00:27:06,624 --> 00:27:09,504 and you can't ghost me. HE LAUGHS 458 00:27:09,544 --> 00:27:13,624 Oxygen toxicity. Dysbaric osteonecrosis. 459 00:27:13,664 --> 00:27:15,504 Hypothermia. 460 00:27:15,544 --> 00:27:18,144 Most people just say they're scared of sharks. 461 00:27:18,184 --> 00:27:21,504 I like sharks. 462 00:27:21,544 --> 00:27:22,784 Hello. Hi. 463 00:27:24,224 --> 00:27:25,944 Urgh. 464 00:27:30,544 --> 00:27:32,184 Why do people do this? 465 00:27:38,384 --> 00:27:39,464 Ma'am? 466 00:27:41,504 --> 00:27:42,824 I found Delphine Burrand. 467 00:27:51,824 --> 00:27:54,064 Delphine was hospitalised after she attempted 468 00:27:54,104 --> 00:27:57,024 to take her own life 18 months ago. 469 00:27:57,064 --> 00:27:58,344 She hasn't woken up since. 470 00:27:58,384 --> 00:27:59,784 Her parents died of malaria, 471 00:27:59,824 --> 00:28:01,064 and according to the staff, 472 00:28:01,104 --> 00:28:03,544 Professor Barbieri was a regular visitor. 473 00:28:06,704 --> 00:28:08,584 Uh, can I help you? 474 00:28:11,944 --> 00:28:16,544 She overdosed on aconite. 475 00:28:16,584 --> 00:28:21,344 It's, um, used in Chinese medicine to treat malaria, 476 00:28:21,384 --> 00:28:26,104 and, uh, Delphine was using it to develop a homeopathic treatment. 477 00:28:26,144 --> 00:28:29,864 Mm. Was she working with Alina to expose Brovexum? 478 00:28:29,904 --> 00:28:31,024 No. 479 00:28:32,464 --> 00:28:35,744 No, this is all Alina's paranoia. 480 00:28:38,784 --> 00:28:43,584 Delphine was deeply unhappy, 481 00:28:43,624 --> 00:28:46,144 and there was nothing any of us could do to help her. 482 00:28:49,584 --> 00:28:50,824 JAKE: So, what d'you think? 483 00:28:50,864 --> 00:28:53,264 Yeah, his vulnerability was...seductive. 484 00:28:53,304 --> 00:28:54,744 Hmm. But, yeah, I don't know. 485 00:28:54,784 --> 00:28:56,144 How was speed dating? 486 00:28:56,184 --> 00:28:58,304 I didn't get any matches. I got two. 487 00:28:58,344 --> 00:28:59,944 I matched yes to everyone to improve 488 00:28:59,984 --> 00:29:01,824 my statistical probability of a match. 489 00:29:01,864 --> 00:29:06,064 Ah, falling for someone isn't about the statistical probability. 490 00:29:06,104 --> 00:29:08,064 Well, there are studies to show that it is. 491 00:29:08,104 --> 00:29:10,984 Oh, that's bollocks. It's about your heart, Headphones. 492 00:29:17,224 --> 00:29:18,664 That'll be number 56. 493 00:29:18,704 --> 00:29:20,504 Yeah. 494 00:29:20,544 --> 00:29:21,744 PLANT BEEPS 495 00:29:23,744 --> 00:29:25,104 Don't you start. 496 00:29:48,784 --> 00:29:49,784 Patience. 497 00:29:54,624 --> 00:29:56,264 You asked me not to call you Headphones, 498 00:29:56,304 --> 00:29:58,384 and I respect that. I just forgot just then. 499 00:29:58,424 --> 00:29:59,744 It won't happen again. 500 00:30:05,024 --> 00:30:07,024 I am good at reading people. 501 00:30:07,064 --> 00:30:09,344 I just, I find it hard to read you. 502 00:30:18,544 --> 00:30:20,264 Um, I... 503 00:30:21,384 --> 00:30:26,064 ..don't think any of my dates last night realised... 504 00:30:26,104 --> 00:30:27,584 ..I'm autistic. 505 00:30:29,424 --> 00:30:32,424 I was trying... 506 00:30:32,464 --> 00:30:35,264 ..so hard to hide it. 507 00:30:37,944 --> 00:30:40,744 You don't have to be in disguise for someone to like you. 508 00:30:49,184 --> 00:30:50,864 I know what killed the professor. 509 00:30:55,184 --> 00:30:59,264 So, Acacia wasn't the poison that killed Professor Barbieri. 510 00:30:59,304 --> 00:31:01,384 Plants are a poison, but also the cure. 511 00:31:01,424 --> 00:31:03,344 We assumed it was Acacia that killed her, 512 00:31:03,384 --> 00:31:05,424 but it was actually the cure in disguise. 513 00:31:05,464 --> 00:31:06,624 Cure for what? 514 00:31:06,664 --> 00:31:09,864 Delphine Burrand, her colleague, she overdosed on aconite. 515 00:31:09,904 --> 00:31:12,624 The Acacia leaves are the antidote for aconite. 516 00:31:12,664 --> 00:31:15,264 Yeah. So, what if Alina knew she was poisoned, 517 00:31:15,304 --> 00:31:17,984 ingested the leaves cause she knew it was also the cure? 518 00:31:18,024 --> 00:31:20,584 Aconite didn't come up on the toxicology report. 519 00:31:20,624 --> 00:31:22,424 Yeah, it's a poison you can't detect 520 00:31:22,464 --> 00:31:24,744 unless you're looking specifically for it. 521 00:31:24,784 --> 00:31:26,144 Yeah. 522 00:31:26,184 --> 00:31:27,744 Right, well. Let's look for it. 523 00:31:35,824 --> 00:31:37,184 That's a pretty extraordinary 524 00:31:37,224 --> 00:31:40,344 coincidence that Alina was killed with the same poison 525 00:31:40,384 --> 00:31:41,704 that Delphine OD'd on. 526 00:31:41,744 --> 00:31:43,704 Surely that's enough to go back to Brovexum with? 527 00:31:43,744 --> 00:31:46,024 Ah, here you are. OK. 528 00:31:47,144 --> 00:31:50,224 Both of you, here's another extraordinary thing. 529 00:31:50,264 --> 00:31:51,664 I'm sorry. 530 00:31:51,704 --> 00:31:53,304 Oh. 531 00:31:53,344 --> 00:31:55,944 Please come to my house so I can cook you dinner 532 00:31:55,984 --> 00:31:58,304 to apologise properly. 533 00:31:58,344 --> 00:31:59,744 Aconite on toast. 534 00:32:03,064 --> 00:32:04,944 That's a joke. Sorry. 535 00:32:04,984 --> 00:32:07,144 I did it again, didn't I? 536 00:32:07,184 --> 00:32:10,744 Uh, Alina wasn't at work all day, as we thought, 537 00:32:10,784 --> 00:32:12,384 on the day that she were killed. 538 00:32:12,424 --> 00:32:13,984 Timely interruption. Thank you, Will. 539 00:32:14,024 --> 00:32:18,904 She attended an appointment to register a new plant species. 540 00:32:18,944 --> 00:32:22,024 But it wasn't in her diary. 541 00:32:22,064 --> 00:32:23,544 Future love. 542 00:32:23,584 --> 00:32:26,304 Well, I can head down there, find out who she spoke to. 543 00:32:26,344 --> 00:32:28,944 Don't plants normally have Latin names? 544 00:32:28,984 --> 00:32:30,624 Oh, that's a scientific name, ma'am. 545 00:32:30,664 --> 00:32:32,904 Future Love is the common name. 546 00:32:32,944 --> 00:32:34,144 My aunt gardens. 547 00:32:36,384 --> 00:32:37,584 Patience? 548 00:32:37,624 --> 00:32:40,744 Future Love, that's a book title. 549 00:32:40,784 --> 00:32:43,224 I've seen that before at Alina's lab in Rufforth. 550 00:32:44,624 --> 00:32:46,024 Let's go. 551 00:32:54,224 --> 00:32:56,184 Yeah, there it is. 552 00:33:00,224 --> 00:33:01,704 Future Love. 553 00:33:07,624 --> 00:33:08,904 There's an inscription. 554 00:33:08,944 --> 00:33:10,584 Um... 555 00:33:10,624 --> 00:33:14,504 "To my darling Alina, when our bodies entwine..." 556 00:33:19,864 --> 00:33:21,904 "..it's the only moment that matters. 557 00:33:21,944 --> 00:33:25,464 "To our future together. All my love, Delphine." 558 00:33:27,304 --> 00:33:30,224 Alina and Delphine were lovers. Yeah. 559 00:33:30,264 --> 00:33:31,504 Um, what's...? 560 00:33:41,224 --> 00:33:43,984 I think you just found what Brovexum are looking for. 561 00:33:54,464 --> 00:33:55,664 This is incendiary. 562 00:33:55,704 --> 00:33:57,504 It could change the outcome of the court case. 563 00:33:57,544 --> 00:33:58,624 So, why didn't she hand them in? 564 00:33:58,664 --> 00:34:00,024 She stole them. 565 00:34:00,064 --> 00:34:01,744 And Brovexum would have seen her go to jail, 566 00:34:01,784 --> 00:34:02,904 and they implicate Delphine. 567 00:34:02,944 --> 00:34:05,224 I mean, I think she was waiting until she finished her research 568 00:34:05,264 --> 00:34:06,344 to secure the bigger win. 569 00:34:06,384 --> 00:34:08,904 So, someone at Brovexum's got a motive for murder. 570 00:34:08,944 --> 00:34:10,104 CELLPHONE RINGS 571 00:34:13,144 --> 00:34:16,264 Dr Parsons, you're on speaker. 572 00:34:16,304 --> 00:34:18,024 We have a cause of death. 573 00:34:18,064 --> 00:34:20,864 The levels of aconite in Alyssa Barbieri's blood 574 00:34:20,904 --> 00:34:22,584 were high enough to kill her. 575 00:34:22,624 --> 00:34:23,704 Good call, Patience. 576 00:34:23,744 --> 00:34:26,224 JAKE: What, so the same obscure poison that put Delphine 577 00:34:26,264 --> 00:34:28,624 in a coma was used to kill Alina? 578 00:34:28,664 --> 00:34:30,304 DR PARSONS: Absolutely. 579 00:34:30,344 --> 00:34:32,064 It's enough to bring Wilson in for questioning. 580 00:34:32,104 --> 00:34:35,224 And to secure a warrant for Brovexum's HR records and emails. 581 00:34:35,264 --> 00:34:38,744 Let's line up everything perfectly before we serve that slimeball, 582 00:34:38,784 --> 00:34:40,584 Ms Wilson. Thank you, Dr Parsons. 583 00:34:40,624 --> 00:34:41,704 Uh, uh, sorry. 584 00:34:41,744 --> 00:34:44,664 Um, Dr Parsons, isn't aconite very fast acting. 585 00:34:44,704 --> 00:34:46,104 Yes. Extremely. 586 00:34:46,144 --> 00:34:47,824 I mean, it could only have been administered 587 00:34:47,864 --> 00:34:49,064 a few moments before she died. 588 00:34:49,104 --> 00:34:51,424 So then, the killer must have been inside the tropical greenhouse 589 00:34:51,464 --> 00:34:52,704 with Professor Barbieri. 590 00:34:52,744 --> 00:34:54,704 Yeah. But there were no alarms, no struggle, 591 00:34:54,744 --> 00:34:56,664 nothing to suggest an intruder. 592 00:34:56,704 --> 00:35:01,064 So then, Alina knew her killer, trusted them enough to let them in. 593 00:35:01,104 --> 00:35:02,784 Mm, yeah. 594 00:35:02,824 --> 00:35:05,704 That doesn't line up with a Brovexum assassin. 595 00:35:05,744 --> 00:35:07,424 Tell me you have another suspect. 596 00:35:20,464 --> 00:35:22,544 There is a connection between these two women 597 00:35:22,584 --> 00:35:24,944 which tells us how Alina died. 598 00:35:24,984 --> 00:35:26,784 Why can't I see it? 599 00:35:34,544 --> 00:35:36,144 You asked to speak to me? 600 00:35:36,184 --> 00:35:37,224 Uh, yes. 601 00:35:37,264 --> 00:35:40,264 You spoke to one of my colleagues who said you recognised this woman 602 00:35:40,304 --> 00:35:41,584 as a regular visitor. 603 00:35:41,624 --> 00:35:42,944 Alina. Yeah. 604 00:35:42,984 --> 00:35:44,864 What did she do when she was here? 605 00:35:44,904 --> 00:35:46,824 Did she talk to her? 606 00:35:46,864 --> 00:35:48,664 Um, sometimes she read to her. 607 00:35:48,704 --> 00:35:51,704 Um, she brought those. 608 00:35:51,744 --> 00:35:55,064 Yeah, the blue rose? 609 00:35:55,104 --> 00:35:56,984 Unusual, isn't it? 610 00:35:57,024 --> 00:35:59,944 Well, blue roses don't actually exist in nature. 611 00:36:02,624 --> 00:36:04,384 I've seen this before. 612 00:36:08,904 --> 00:36:11,184 Here. Thank you. 613 00:36:11,224 --> 00:36:17,384 So, this was the scene where Delphine's body was found. 614 00:36:17,424 --> 00:36:19,944 It was treated as a crime scene 615 00:36:19,984 --> 00:36:22,904 before they officially ruled it as an attempted suicide. 616 00:36:22,944 --> 00:36:24,064 Who found her? 617 00:36:24,104 --> 00:36:26,464 Um, her husband, Tobias. 618 00:36:26,504 --> 00:36:28,144 It says in his statement, 619 00:36:28,184 --> 00:36:31,344 "He knocked over the vase in a panic and it shattered on the floor." 620 00:36:31,384 --> 00:36:32,704 Yeah. 621 00:36:32,744 --> 00:36:35,064 Tobias Burrand, I knew I wasn't sure about you. 622 00:36:46,104 --> 00:36:47,584 Whoa. 623 00:36:51,304 --> 00:36:57,304 So, each plant grown from seed has its own unique DNA. 624 00:36:57,344 --> 00:36:59,424 So, to create a truly blue rose, 625 00:36:59,464 --> 00:37:02,384 the professor must have modified the genetic code of 626 00:37:02,424 --> 00:37:03,984 a white one to create an entirely new breed. 627 00:37:04,024 --> 00:37:05,904 That's... 628 00:37:05,944 --> 00:37:07,064 ..it's amazing. 629 00:37:07,104 --> 00:37:08,104 CELLPHONE RINGS 630 00:37:11,544 --> 00:37:13,944 Oh, any luck, Will? 631 00:37:13,984 --> 00:37:16,864 Uh, drug squad's got hours of CCTV footage, 632 00:37:16,904 --> 00:37:18,224 but I found him. 633 00:37:18,264 --> 00:37:20,704 Tobias Burrand. 634 00:37:20,744 --> 00:37:26,744 He arrives, snoops around. 635 00:37:26,784 --> 00:37:29,664 And he stops by a particular plant in the east greenhouse. 636 00:37:31,824 --> 00:37:34,624 It's not a blue rose by any chance, is it? 637 00:37:34,664 --> 00:37:36,544 It's a black and white camera, ma'am. 638 00:37:36,584 --> 00:37:39,864 And then, what does he do next, exactly? 639 00:37:39,904 --> 00:37:42,744 Uh, he looks at it, steps close to it. 640 00:37:42,784 --> 00:37:44,744 Then he reaches for something inside the plant pot. 641 00:37:44,784 --> 00:37:46,864 Could be a label? 642 00:37:46,904 --> 00:37:48,464 And he takes it out to look at it. 643 00:37:50,904 --> 00:37:53,104 Scientific name Rosa Delphinium. 644 00:37:53,144 --> 00:37:56,024 It's after Delphine. 645 00:37:56,064 --> 00:37:57,224 Then he looks quite upset. 646 00:37:57,264 --> 00:37:58,744 What's the date on the tape? 647 00:38:03,504 --> 00:38:06,584 Boss, I spoke to some of the staff. 648 00:38:06,624 --> 00:38:08,544 His alibi stands up. 649 00:38:08,584 --> 00:38:10,384 His phone records show he was in the city centre, 650 00:38:10,424 --> 00:38:11,984 and the waiter in the restaurant remembers him. 651 00:38:12,024 --> 00:38:13,384 The waiter says he ate dinner with a woman, 652 00:38:13,424 --> 00:38:15,464 and then stayed until closing drinking on his own. 653 00:38:15,504 --> 00:38:16,904 Left a big tip. 654 00:38:16,944 --> 00:38:19,224 Yeah, course he did. He wanted to be remembered. 655 00:38:19,264 --> 00:38:21,544 Did you get a description of the woman he ate dinner with? 656 00:38:21,584 --> 00:38:22,704 Yeah. 657 00:38:22,744 --> 00:38:24,224 Why did you not mention you had dinner 658 00:38:24,264 --> 00:38:27,984 with Alina Barbieri the night she died? 659 00:38:28,024 --> 00:38:29,584 Alina asked to meet me. 660 00:38:29,624 --> 00:38:31,704 Um, I agreed to dinner... 661 00:38:33,704 --> 00:38:34,824 ..but it was just as I feared. 662 00:38:34,864 --> 00:38:36,744 All she wanted to talk about was her paranoid 663 00:38:36,784 --> 00:38:40,424 Brovexum conspiracy theories. 664 00:38:40,464 --> 00:38:42,344 We had a row. She left. 665 00:38:43,784 --> 00:38:46,544 I stayed and finished the bottle of wine. 666 00:38:46,584 --> 00:38:49,104 I was annoyed with myself for falling out with her. 667 00:38:50,704 --> 00:38:54,424 You could have been the last person to see her alive. 668 00:38:54,464 --> 00:38:55,864 Apart from the murderer. 669 00:38:57,664 --> 00:38:59,304 Why did you lie? 670 00:39:02,224 --> 00:39:06,024 When you tell people that your wife attempted 671 00:39:06,064 --> 00:39:09,584 to kill herself, they look at you a certain way. 672 00:39:09,624 --> 00:39:10,744 There's a... 673 00:39:12,224 --> 00:39:14,744 ..there's an unspoken question. 674 00:39:14,784 --> 00:39:16,344 "How did you let that happen?" 675 00:39:19,344 --> 00:39:22,024 I suppose I'm tired of being looked at with suspicion. 676 00:39:22,064 --> 00:39:23,184 I'm sorry. 677 00:39:24,384 --> 00:39:27,904 I hope I haven't set your investigation back. 678 00:39:27,944 --> 00:39:31,504 I stayed at the restaurant drinking until closing. 679 00:39:33,304 --> 00:39:34,504 Did the waiter tell you? 680 00:39:38,104 --> 00:39:40,824 I know he did it. But how? 681 00:39:42,344 --> 00:39:44,544 He was at the restaurant when Alina died. 682 00:39:44,584 --> 00:39:46,104 There's witnesses. 683 00:39:46,144 --> 00:39:49,064 CCTV footage shows him entering and leaving. 684 00:39:49,104 --> 00:39:50,784 He couldn't have administered the poison. 685 00:39:50,824 --> 00:39:52,024 How do you know? 686 00:39:52,064 --> 00:39:54,864 Well, I sent down dozens of guys who've killed 687 00:39:54,904 --> 00:39:59,624 or tried to kill their wives and he's just, he's got the same... 688 00:39:59,664 --> 00:40:01,224 I know he killed Alina, 689 00:40:01,264 --> 00:40:03,024 and I know he tried to kill Delphine. 690 00:40:03,064 --> 00:40:06,224 It's just the timeline says it's impossible. 691 00:40:06,264 --> 00:40:08,784 Or maybe there's another way of looking at the timeline. 692 00:40:08,824 --> 00:40:11,624 Alina was given the poison by someone she trusted 693 00:40:11,664 --> 00:40:13,904 moments before she died when Tobias Burrand was in... 694 00:40:13,944 --> 00:40:16,264 Uh, you've just made a leap in logic. 695 00:40:16,304 --> 00:40:17,384 How? 696 00:40:17,424 --> 00:40:20,344 Well, the poison must have been ingested moments before she died. 697 00:40:20,384 --> 00:40:21,984 But... 698 00:40:22,024 --> 00:40:26,704 ..she could've been given it earlier. 699 00:40:26,744 --> 00:40:28,064 Into something she trusted. 700 00:40:28,104 --> 00:40:30,304 Without her knowing. 701 00:40:30,344 --> 00:40:32,944 WHISPERS: Of course. 702 00:40:32,984 --> 00:40:37,184 We, uh, found this on Alina's body. 703 00:40:37,224 --> 00:40:39,664 That's nothing unusual. She was asthmatic. 704 00:40:39,704 --> 00:40:41,624 But... 705 00:40:41,664 --> 00:40:43,944 THROUGH INTERCOM: ..when we tested it, 706 00:40:43,984 --> 00:40:46,544 it was filled with powdered aconite. 707 00:40:49,264 --> 00:40:52,624 We traced the unique serial number on the inhaler, and... 708 00:40:59,224 --> 00:41:01,424 ..it was purchased with your credit card. 709 00:41:01,464 --> 00:41:02,784 Can you explain that? 710 00:41:05,504 --> 00:41:09,024 No comment. 711 00:41:09,064 --> 00:41:11,424 It was ordered the same day you were captured on CCTV 712 00:41:11,464 --> 00:41:13,664 visiting Rufforth Farm. 713 00:41:13,704 --> 00:41:15,664 Something inspire an impulse buy? 714 00:41:18,824 --> 00:41:20,104 No comment. 715 00:41:20,144 --> 00:41:21,704 Do you know the thing I love about this job is getting 716 00:41:21,744 --> 00:41:23,584 to learn new stuff every day? 717 00:41:23,624 --> 00:41:29,464 Did you know that every plant has a unique DNA? 718 00:41:29,504 --> 00:41:30,664 It's like ours. Only simpler. 719 00:41:30,704 --> 00:41:31,784 I... 720 00:41:33,544 --> 00:41:34,824 No comment. 721 00:41:34,864 --> 00:41:37,584 So, when we test the aconite in that inhaler, 722 00:41:37,624 --> 00:41:41,104 I'm guessing that it has the exact same DNA 723 00:41:41,144 --> 00:41:43,824 as an aconite plant in your garden. 724 00:41:43,864 --> 00:41:44,944 No comment. 725 00:41:44,984 --> 00:41:47,784 You only need to say that when I ask you a question. 726 00:41:47,824 --> 00:41:51,344 It's a nice touch, tipping the waiter so generously. 727 00:41:51,384 --> 00:41:54,304 Could have saved yourself the money and got us to check the CCTV? 728 00:41:54,344 --> 00:41:56,424 There wasn't any covering our table. I... 729 00:41:59,904 --> 00:42:01,344 Checked, did you? 730 00:42:03,664 --> 00:42:08,024 So, you knew it was safe to swap the inhaler in Alina's bag 731 00:42:08,064 --> 00:42:11,344 with the one you filled with powdered aconite. 732 00:42:17,304 --> 00:42:21,744 When Delphine told you she was leaving you for someone else, 733 00:42:21,784 --> 00:42:23,504 how did it feel? 734 00:42:24,904 --> 00:42:25,984 You felt helpless. 735 00:42:27,464 --> 00:42:29,224 Yeah? 736 00:42:29,264 --> 00:42:30,464 Angry. 737 00:42:33,424 --> 00:42:37,184 So, you poisoned her with her aconite medicine. 738 00:42:37,224 --> 00:42:38,784 But you didn't quite manage to kill her, 739 00:42:38,824 --> 00:42:43,304 and you still didn't know who she was cheating on you with. 740 00:42:43,344 --> 00:42:45,264 That must have been agony. 741 00:42:50,704 --> 00:42:53,184 You know, the thing I think that tipped you over the edge 742 00:42:53,224 --> 00:42:55,384 was when you knew it was Alina, 743 00:42:55,424 --> 00:42:59,504 was realising just how truly deeply in love they were. 744 00:42:59,544 --> 00:43:00,704 Rare, special. 745 00:43:00,744 --> 00:43:03,184 No, no. 746 00:43:03,224 --> 00:43:04,504 SHE CLEARS THROAT 747 00:43:04,544 --> 00:43:06,504 We found a dedication from Delphine to Alina 748 00:43:06,544 --> 00:43:08,984 in one of the books that Alina always read to her. 749 00:43:09,024 --> 00:43:11,144 "To my darling Alina..." Don't. Don't. 750 00:43:11,184 --> 00:43:12,704 "..when our bodies entwine..." 751 00:43:12,744 --> 00:43:14,624 Alina was a corrupting whore! 752 00:43:21,584 --> 00:43:24,904 Killing her was the easiest way to end the suffering, wasn't it? 753 00:43:31,144 --> 00:43:32,224 Yes. 754 00:43:37,264 --> 00:43:40,304 I didn't know we had the resources to test plant DNA. 755 00:43:40,344 --> 00:43:41,704 We don't. 756 00:43:48,424 --> 00:43:49,544 Teo. 757 00:43:51,104 --> 00:43:53,584 We shared the files that we found in Alina's things 758 00:43:53,624 --> 00:43:57,464 with a Serious Fraud Office and the legal team fighting Brovexum. 759 00:43:57,504 --> 00:43:59,504 And they think they're dynamite. 760 00:43:59,544 --> 00:44:00,944 She got 'em in the end, then. 761 00:44:00,984 --> 00:44:02,584 You gonna be OK? 762 00:44:02,624 --> 00:44:04,424 I... 763 00:44:04,464 --> 00:44:06,224 Yeah. Time to sort out my head, I guess. 764 00:44:06,264 --> 00:44:08,144 Yeah. 765 00:44:08,184 --> 00:44:10,544 Oh, hey, can you, um... 766 00:44:10,584 --> 00:44:12,024 ..could you do me a favour? 767 00:44:13,504 --> 00:44:15,544 Could you make sure Paco's looked after? 768 00:44:24,264 --> 00:44:26,144 So glad you could both make it. 769 00:44:26,184 --> 00:44:28,224 Oh, do you want us to take our shoes off? 770 00:44:28,264 --> 00:44:29,944 Oh, yeah. Shoes on, shoes off. 771 00:44:29,984 --> 00:44:32,224 Just make yourself at home. 772 00:44:32,264 --> 00:44:34,064 Can I get you a drink? 773 00:44:34,104 --> 00:44:35,984 Yeah. Would you like a mocktail? 774 00:44:36,024 --> 00:44:37,344 Yeah. Yeah? Mocktail? Cocktail? 775 00:44:37,384 --> 00:44:39,424 Yeah, I'd love a cocktail, yeah, please. 776 00:44:42,864 --> 00:44:44,264 Wow. 777 00:44:44,304 --> 00:44:45,784 All this on a DI salary, yeah? 778 00:44:58,344 --> 00:44:59,944 This place is amazing. 779 00:44:59,984 --> 00:45:01,664 Oh, yeah, thanks. 780 00:45:01,704 --> 00:45:03,744 Um, this is the first time I've used this pan. 781 00:45:03,784 --> 00:45:06,904 It comes already seasoned with flax oil. 782 00:45:06,944 --> 00:45:10,104 Um, the pan's cast iron, but the handle stays cool. 783 00:45:10,144 --> 00:45:11,384 Wow. 784 00:45:11,424 --> 00:45:15,264 Is this your mum? 785 00:45:15,304 --> 00:45:20,544 Yeah. But she's not around anymore. 786 00:45:20,584 --> 00:45:23,584 You've got to try these olives before the main event. 787 00:45:23,624 --> 00:45:24,904 They're so tasty. 788 00:45:33,184 --> 00:45:34,344 Mm. 789 00:45:35,944 --> 00:45:38,104 Absolutely divine. Mm. 790 00:45:38,144 --> 00:45:42,184 30 Euros a jar, including postage. 791 00:45:42,224 --> 00:45:43,304 Oh, so now we know what all the, 792 00:45:43,344 --> 00:45:45,384 uh, parcels coming to the office were. 793 00:45:45,424 --> 00:45:47,064 Mm. 794 00:45:47,104 --> 00:45:48,704 Mm, I'm gonna get your drinks. 795 00:45:51,784 --> 00:45:53,424 Sit down, sit down, sit down. 796 00:46:02,224 --> 00:46:04,864 That one's yours. Thank you. 797 00:46:04,904 --> 00:46:06,464 Ah, thank you. There we go. 798 00:46:06,504 --> 00:46:07,744 Cheers. Cheers. 799 00:46:07,784 --> 00:46:09,904 Cheers.Cheers. 800 00:46:18,944 --> 00:46:20,744 INAUDIBLE CONVERSATION 801 00:46:32,024 --> 00:46:33,464 Subtitles by Red Bee Media