1 00:01:21,160 --> 00:01:24,439 Our victim is Professor Alina Barbieri, 2 00:01:24,440 --> 00:01:26,560 Head Botanist at the Tropical House. 3 00:01:31,960 --> 00:01:35,159 Her face is burnt. 4 00:01:35,160 --> 00:01:36,999 I can't see any signs of fire. 5 00:01:37,000 --> 00:01:39,119 Well, she could have been moved. 6 00:01:39,120 --> 00:01:43,319 The body doesn't show any signs of combustion, so it wasn't a fire. 7 00:01:43,320 --> 00:01:44,479 Oh, be careful. 8 00:01:44,480 --> 00:01:47,279 Step away from that tree. 9 00:01:47,280 --> 00:01:49,719 Ooh, sorry. 10 00:01:49,720 --> 00:01:51,359 Didn't take that course in tropical medicine 11 00:01:51,360 --> 00:01:53,719 just for the month in the Maldives. 12 00:01:53,720 --> 00:01:57,959 Right, the deceased is lying under a Hippomane mancinella. 13 00:01:57,960 --> 00:02:00,119 Otherwise known as the Death Apple. 14 00:02:00,120 --> 00:02:02,639 Let's hope we find our wicked stepmother, 15 00:02:02,640 --> 00:02:04,080 get this wrapped up by lunch. 16 00:02:07,280 --> 00:02:09,879 The tree caused the burns to her face. 17 00:02:09,880 --> 00:02:11,319 Well, Patience said it wasn't a fire. 18 00:02:11,320 --> 00:02:14,039 She was quite correct, as usual. 19 00:02:14,040 --> 00:02:16,319 The sap on this tree is so corrosive 20 00:02:16,320 --> 00:02:19,359 that when it mixes with water, it turns to acid. 21 00:02:19,360 --> 00:02:21,159 And that's what's burnt her skin. 22 00:02:21,160 --> 00:02:22,439 But it didn't kill her. 23 00:02:22,440 --> 00:02:24,639 No, she was dead before she was exposed to the tree sap. 24 00:02:24,640 --> 00:02:25,759 So, what did? 25 00:02:25,760 --> 00:02:27,000 Her face is bloated. 26 00:02:28,080 --> 00:02:31,159 Fingertips are cyanosed, and there's vomit near the body, 27 00:02:31,160 --> 00:02:33,239 so she was poisoned. 28 00:02:33,240 --> 00:02:36,959 Half the things in here look like they could kill you. 29 00:02:36,960 --> 00:02:38,639 I mean, maybe it was an accident. 30 00:02:38,640 --> 00:02:40,599 She was a botanist. She knew these plants, 31 00:02:40,600 --> 00:02:42,399 how to handle them. 32 00:02:42,400 --> 00:02:45,639 Why would she have knowingly ingested something poisonous? 33 00:02:45,640 --> 00:02:47,519 Maybe she was forced to. 34 00:02:47,520 --> 00:02:48,799 The tree. Patience! Careful! 35 00:02:48,800 --> 00:02:50,400 Oh, sorry! 36 00:03:01,240 --> 00:03:03,279 On the body we found an asthma inhaler, 37 00:03:03,280 --> 00:03:05,159 a staff pass, and a mobile phone. 38 00:03:05,160 --> 00:03:06,359 Anything interesting on the phone? 39 00:03:06,360 --> 00:03:08,359 Yeah, the latest message from someone called "Teo", 40 00:03:08,360 --> 00:03:11,719 it says, "I drowned Paco, hurry to Rufforth." 41 00:03:11,720 --> 00:03:12,839 Oh, that is interesting. 42 00:03:12,840 --> 00:03:15,119 Yeah, no-one called "Paco" has been reported missing. 43 00:03:15,120 --> 00:03:18,199 And no-one's reported any drownings in the last 24 hours. 44 00:03:18,200 --> 00:03:20,239 But we do have a lead on Teo. 45 00:03:20,240 --> 00:03:22,919 He's the brother of the deceased, and he's got a record. 46 00:03:22,920 --> 00:03:24,679 Right, what's Rufforth? 47 00:03:24,680 --> 00:03:28,599 Oh, uh, it's a village six miles out of the city centre. 48 00:03:28,600 --> 00:03:30,679 Uh, Professor Barbieri had a property there. 49 00:03:30,680 --> 00:03:32,679 Former farm, loads of greenhouses. 50 00:03:32,680 --> 00:03:35,359 And it's where Teo drowned Paco. So, let's head out there. 51 00:03:35,360 --> 00:03:36,799 Uh, wait, sorry. 52 00:03:36,800 --> 00:03:40,079 No, we've not identified the poison that killed the professor, 53 00:03:40,080 --> 00:03:42,679 and I've not had a chance to check the archive, so. 54 00:03:42,680 --> 00:03:44,399 My gut says it's the brother. 55 00:03:44,400 --> 00:03:46,239 And also that there's a great farm shop on the way. 56 00:03:46,240 --> 00:03:47,719 Well, shouldn't we wait for backup? 57 00:03:47,720 --> 00:03:49,599 You know, seeing as the brother's been drowning people? 58 00:03:49,600 --> 00:03:50,719 Oh, come on, DS Hunter. 59 00:03:50,720 --> 00:03:53,399 All that bench pressing. You can take him. 60 00:03:53,400 --> 00:03:54,519 I'll get the car started. 61 00:03:54,520 --> 00:03:55,839 Well, no, no. Sorry. 62 00:03:55,840 --> 00:03:58,679 There's a process, we need to do things in an order. 63 00:03:58,680 --> 00:04:01,039 No. No, you need to do things in an order. I'm fine. 64 00:04:01,040 --> 00:04:02,559 And also if we don't go, then I have to deal 65 00:04:02,560 --> 00:04:04,319 with the mountain of paperwork that you created 66 00:04:04,320 --> 00:04:06,919 destroying the crime scene. 67 00:04:06,920 --> 00:04:10,239 Listen, whatever's happened between you and SOCO boy, 68 00:04:10,240 --> 00:04:13,559 you need to find a way of keeping it professional. 69 00:04:13,560 --> 00:04:14,719 You know, since you've been here, 70 00:04:14,720 --> 00:04:18,439 you've said 55 things to make someone else feel uncomfortable. 71 00:04:18,440 --> 00:04:20,799 What are you...? Bloody hell, you're actually counting. 72 00:04:20,800 --> 00:04:22,679 You do it on purpose. 73 00:04:22,680 --> 00:04:24,479 It's like you don't care about anyone else but yourself. 74 00:04:24,480 --> 00:04:25,679 I care about the job. 75 00:04:25,680 --> 00:04:28,119 You think we're here just to make friends? 76 00:04:28,120 --> 00:04:30,519 I'm just asking you to be professional. 77 00:04:30,520 --> 00:04:32,999 You are not professional. 78 00:04:33,000 --> 00:04:34,159 Don't put your headphones... 79 00:04:34,160 --> 00:04:37,159 Stop calling me headphones. 80 00:04:37,160 --> 00:04:38,839 I'm not here to look after you. 81 00:04:38,840 --> 00:04:40,039 I am not your mother. 82 00:04:40,040 --> 00:04:42,519 No, my mother's dead. 83 00:04:42,520 --> 00:04:44,400 My name is Patience. 84 00:04:47,840 --> 00:04:50,440 Well, she obviously had a keen sense of irony. 85 00:05:07,440 --> 00:05:09,120 There's someone in there. 86 00:05:15,600 --> 00:05:16,919 Teo Barbieri? 87 00:05:16,920 --> 00:05:18,080 Yeah? 88 00:05:20,360 --> 00:05:22,799 Where's Paco? 89 00:05:22,800 --> 00:05:24,280 Paco? 90 00:05:26,640 --> 00:05:30,319 Uh, just here. 91 00:05:30,320 --> 00:05:32,319 So, this is Paco? 92 00:05:32,320 --> 00:05:33,719 Yep. 93 00:05:33,720 --> 00:05:35,759 He's a mimosa pudica. 94 00:05:35,760 --> 00:05:37,039 He's hypersensitive. 95 00:05:37,040 --> 00:05:38,200 Look. 96 00:05:40,120 --> 00:05:41,199 See? 97 00:05:42,280 --> 00:05:43,679 He's my sister's pride and joy. 98 00:05:43,680 --> 00:05:46,520 She is fascinated by plant neurobiology. 99 00:05:47,840 --> 00:05:50,319 How plants sort of process and use information 100 00:05:50,320 --> 00:05:52,279 that they gather from the wildings. 101 00:05:52,280 --> 00:05:54,559 A lot like we do, honestly. 102 00:05:54,560 --> 00:05:56,279 The, uh, the rose fell off 103 00:05:56,280 --> 00:05:58,039 the watering can and I flooded the pot. 104 00:05:58,040 --> 00:06:00,239 Nearly drowned him. But, you know, I think, 105 00:06:00,240 --> 00:06:02,799 uh, I think I've managed to save him. 106 00:06:02,800 --> 00:06:03,960 Hopefully. 107 00:06:09,120 --> 00:06:11,679 Is everything all right? 108 00:06:11,680 --> 00:06:13,200 Would you like to take a seat? 109 00:06:15,680 --> 00:06:16,920 OK. 110 00:06:24,440 --> 00:06:25,760 When did you last see her? 111 00:06:28,960 --> 00:06:31,479 Not for a couple of days, but... 112 00:06:31,480 --> 00:06:32,959 ...it's not unusual. 113 00:06:32,960 --> 00:06:35,440 She'd often work late. Nights even. 114 00:06:39,000 --> 00:06:40,199 I should've known something was wrong 115 00:06:40,200 --> 00:06:42,200 when she didn't come to check on Paco. 116 00:06:47,640 --> 00:06:49,360 I can't look after all this myself. 117 00:06:51,320 --> 00:06:53,120 I don't know what I'm gonna do. 118 00:06:57,480 --> 00:06:59,120 I don't know what I'm gonna do. 119 00:07:15,000 --> 00:07:17,319 Is the, uh, brother a suspect? 120 00:07:17,320 --> 00:07:19,839 I'm not getting killer instincts. 121 00:07:19,840 --> 00:07:21,879 He's got no obvious motive. 122 00:07:21,880 --> 00:07:24,639 Is he the sole beneficiary of his sister's estate? 123 00:07:24,640 --> 00:07:28,119 Yes, but Alina gave him everything he needed at the farm. 124 00:07:28,120 --> 00:07:31,639 I mean, why kill her for the inheritance? 125 00:07:31,640 --> 00:07:32,919 What's with the plant? 126 00:07:32,920 --> 00:07:37,679 Oh, not a suspect at this stage, sir, possibly a witness. 127 00:07:37,680 --> 00:07:39,759 Parson's got something for you in the morgue. 128 00:07:39,760 --> 00:07:42,799 Ah. Keep me updated on the, um, witness situation. 129 00:07:42,800 --> 00:07:44,000 Yeah, sir. 130 00:07:45,240 --> 00:07:47,879 Have you, uh, spoken to Patience, yeah? 131 00:07:47,880 --> 00:07:50,159 If she wants to sulk, let her. 132 00:07:50,160 --> 00:07:53,399 We don't all express our feelings in the same way. 133 00:07:53,400 --> 00:07:55,400 I find that plant easier to read. 134 00:08:03,840 --> 00:08:07,439 I found half-digested acacia leaves in the professor's stomach. 135 00:08:07,440 --> 00:08:08,879 Right, so that's the cause of death? 136 00:08:08,880 --> 00:08:11,359 It's odd, certainly. 137 00:08:11,360 --> 00:08:13,519 Tannins in acacia leaves are poisonous, 138 00:08:13,520 --> 00:08:16,279 but not enough to cause death. 139 00:08:16,280 --> 00:08:19,919 Um, uh, an acacia tree that senses it's under attack 140 00:08:19,920 --> 00:08:22,719 from an animal makes its leaves taste more bitter, 141 00:08:22,720 --> 00:08:25,279 to defend itself. 142 00:08:25,280 --> 00:08:28,439 So, it does this by increasing its tannin level. 143 00:08:29,920 --> 00:08:31,359 Plant neurobiology. 144 00:08:31,360 --> 00:08:34,959 So, an acacia plant technically could produce tannin 145 00:08:34,960 --> 00:08:36,999 at a strength to cause death. 146 00:08:37,000 --> 00:08:38,839 That's not likely to come under attack 147 00:08:38,840 --> 00:08:40,399 in a tropical greenhouse, is it? 148 00:08:40,400 --> 00:08:41,479 Not by an animal perhaps, 149 00:08:41,480 --> 00:08:44,999 but maybe someone being more deliberate. 150 00:08:45,000 --> 00:08:47,120 Oh. Let me know what you find. 151 00:08:53,280 --> 00:08:54,920 You coming? 152 00:09:22,760 --> 00:09:26,079 Can I help you? 153 00:09:26,080 --> 00:09:27,480 I'm, um, I'm, uh... 154 00:09:28,520 --> 00:09:29,840 I'm looking for Patience. 155 00:09:31,480 --> 00:09:33,879 I'm a friend of hers and Elliot's. 156 00:09:33,880 --> 00:09:34,960 She's not in just now. 157 00:09:36,480 --> 00:09:37,720 Is that for her? 158 00:09:40,480 --> 00:09:41,520 Shall I take it? 159 00:09:53,080 --> 00:09:54,559 Over here. 160 00:09:54,560 --> 00:09:55,680 This is an acacia. 161 00:10:01,000 --> 00:10:02,320 There are cuts. 162 00:10:03,400 --> 00:10:05,519 I mean, they're deep enough to aggravate the tree 163 00:10:05,520 --> 00:10:07,240 and increase its levels of tannin. 164 00:10:10,560 --> 00:10:12,400 Oh, what have we got here? 165 00:10:17,440 --> 00:10:20,999 Could they have been created using these? 166 00:10:21,000 --> 00:10:23,279 Uh, could've been. 167 00:10:23,280 --> 00:10:25,479 God, I don't even drink bad coffee, 168 00:10:25,480 --> 00:10:28,839 so I don't know how they got her to chew and swallow bitter leaves. 169 00:10:28,840 --> 00:10:30,439 Could it have been a suicide? 170 00:10:30,440 --> 00:10:32,640 No. I think we need to talk to Teo again. 171 00:10:40,560 --> 00:10:42,679 I didn't mean you to go to any trouble. 172 00:10:42,680 --> 00:10:44,880 Oh, come on, biscuits are never any trouble. 173 00:10:47,240 --> 00:10:50,519 So, how did you say you knew Patience? 174 00:10:50,520 --> 00:10:52,319 Uh, through work. 175 00:10:52,320 --> 00:10:54,919 Um, what is it you do there? 176 00:10:54,920 --> 00:10:56,320 I'm a cleaner. 177 00:10:58,320 --> 00:11:01,839 Is she gonna be much longer? 178 00:11:01,840 --> 00:11:04,039 Shall we finish the pot 179 00:11:04,040 --> 00:11:06,360 and then you can tell me why you're lying to me? 180 00:11:14,760 --> 00:11:16,400 I'm gonna go this way. 181 00:11:39,320 --> 00:11:41,039 Any sign of him? No, nothing. 182 00:11:41,040 --> 00:11:42,319 I'm gonna put a call out. 183 00:11:42,320 --> 00:11:43,760 All right. 184 00:12:02,360 --> 00:12:03,720 Jake. 185 00:12:28,040 --> 00:12:29,759 That's a lot of weed. 186 00:12:29,760 --> 00:12:31,200 Yep. 187 00:12:37,440 --> 00:12:39,399 Hello, Teo. 188 00:12:39,400 --> 00:12:42,319 I'm assuming you've got a licence for these? 189 00:12:42,320 --> 00:12:43,720 Hello. 190 00:12:46,440 --> 00:12:47,640 Come on, mate. 191 00:12:50,000 --> 00:12:51,680 Come with me, sir. All right. 192 00:12:54,440 --> 00:12:57,000 Looks like your instinct to go after him was spot-on. 193 00:12:58,520 --> 00:13:00,040 Where's Patience? 194 00:13:30,640 --> 00:13:32,000 You can't tell her this now. 195 00:13:34,440 --> 00:13:36,719 I've waited a long time. 196 00:13:36,720 --> 00:13:39,519 Another few weeks won't hurt. 197 00:13:39,520 --> 00:13:41,479 It's not your decision. 198 00:13:41,480 --> 00:13:44,960 Yeah, but I know her, and clearly, you don't. 199 00:13:46,840 --> 00:13:50,040 She's in a particularly vulnerable place now. 200 00:13:51,840 --> 00:13:53,080 Please... 201 00:13:55,320 --> 00:13:58,079 Please, let me tell her. 202 00:13:58,080 --> 00:13:59,760 Just let me find the right moment. 203 00:14:26,120 --> 00:14:28,760 Oh, no. 204 00:14:32,400 --> 00:14:34,919 I knew the brother was hiding something. 205 00:14:34,920 --> 00:14:37,799 Well, the pattern of his previous offences 206 00:14:37,800 --> 00:14:40,799 doesn't statistically really lead to murder. 207 00:14:40,800 --> 00:14:42,240 I know. 208 00:14:43,280 --> 00:14:44,959 What's this? 209 00:14:44,960 --> 00:14:46,839 I don't know. 210 00:14:46,840 --> 00:14:48,199 It's not cannabis. 211 00:14:48,200 --> 00:14:50,319 And the professor was obviously researching it, 212 00:14:50,320 --> 00:14:52,799 I was gonna try and make sense of those notes, but... 213 00:14:52,800 --> 00:14:54,199 Yeah, I'm just trying to work out what it is. 214 00:14:54,200 --> 00:14:55,440 OK. 215 00:14:57,040 --> 00:15:00,439 Well, there's more of them growing over there. 216 00:15:00,440 --> 00:15:02,760 I'm going cos you're making me uncomfortable. 217 00:15:07,360 --> 00:15:08,920 You all right? 218 00:15:14,880 --> 00:15:17,519 Do I make you feel uncomfortable? 219 00:15:17,520 --> 00:15:19,120 What, like right now? Yeah. 220 00:15:22,240 --> 00:15:25,480 You know, maybe you should try and apologise to her. 221 00:15:30,480 --> 00:15:32,320 I think we should bag one of those lot. 222 00:16:13,840 --> 00:16:16,520 Uh, I found a... 223 00:16:18,200 --> 00:16:21,639 ...harassment claim that Professor Barbieri filed. 224 00:16:21,640 --> 00:16:22,680 Thank you. 225 00:16:24,320 --> 00:16:26,520 I actually came down here to see if you're OK. 226 00:16:29,960 --> 00:16:31,999 Um, yeah, well, I... 227 00:16:32,000 --> 00:16:35,559 ...I think the plant that I fell into caused some skin irritations, 228 00:16:35,560 --> 00:16:36,920 but it's clearing up now. 229 00:16:42,880 --> 00:16:44,720 And I saw Elliot with someone else. 230 00:16:48,800 --> 00:16:52,519 Well, maybe you should move on too. 231 00:16:52,520 --> 00:16:54,279 Meet some new people. 232 00:16:54,280 --> 00:16:55,719 Yeah. I mean, how would I do that? 233 00:16:55,720 --> 00:16:57,639 It's not gonna happen down here, is it? 234 00:16:57,640 --> 00:16:59,720 No. I want to keep it separate from work. 235 00:17:02,920 --> 00:17:07,079 I'm trying out speed dating, if you're interested. 236 00:17:07,080 --> 00:17:09,799 What's speed dating? 237 00:17:09,800 --> 00:17:11,559 All right, Gen Z. 238 00:17:11,560 --> 00:17:13,959 It's where you meet lots of people for a few minutes at a time 239 00:17:13,960 --> 00:17:16,039 and ask them questions, see if you're compatible. 240 00:17:16,040 --> 00:17:18,599 Wow. That's actually a... 241 00:17:18,600 --> 00:17:22,279 ...really efficient way of accumulating a lot of useful data. 242 00:17:22,280 --> 00:17:24,160 That's a way of looking at it, yeah. 243 00:17:28,640 --> 00:17:29,800 All right. 244 00:17:41,200 --> 00:17:44,599 They were a gift from Alina. 245 00:17:44,600 --> 00:17:46,320 She used to borrow them sometimes. 246 00:17:48,920 --> 00:17:50,639 You know what this looks like, Teo. 247 00:17:50,640 --> 00:17:52,399 That you killed Alina 248 00:17:52,400 --> 00:17:54,799 to stop her from telling anyone about your cannabis lab. 249 00:17:54,800 --> 00:17:56,359 Of course not. 250 00:17:56,360 --> 00:17:57,919 No, the farm was Alina's idea. 251 00:17:57,920 --> 00:17:59,639 OK, so what happened? 252 00:17:59,640 --> 00:18:02,279 Bad deal? Stepped on someone else's patch? 253 00:18:02,280 --> 00:18:06,439 No, we didn't just deal to anyone like that. 254 00:18:06,440 --> 00:18:07,999 Yeah, I mean, your criminal record... 255 00:18:08,000 --> 00:18:10,239 OK. ..shoplifting, antisocial behaviour. 256 00:18:10,240 --> 00:18:11,799 It's a big jump to drugs baron... 257 00:18:11,800 --> 00:18:13,519 I'm not a drugs baron. 258 00:18:13,520 --> 00:18:14,599 ...let alone a murderer. 259 00:18:14,600 --> 00:18:15,919 No, you... 260 00:18:15,920 --> 00:18:17,519 You've got this all wrong. 261 00:18:17,520 --> 00:18:19,399 There is a distinct possibility. 262 00:18:19,400 --> 00:18:20,799 So... 263 00:18:20,800 --> 00:18:22,280 ...put me right. 264 00:18:25,440 --> 00:18:26,880 I had a breakdown. 265 00:18:32,320 --> 00:18:34,319 I lived on the streets. 266 00:18:34,320 --> 00:18:36,679 Alina took me in, 267 00:18:36,680 --> 00:18:40,559 and we started the farm to sell weed to people 268 00:18:40,560 --> 00:18:42,480 with chronic pain. That's it. 269 00:18:45,240 --> 00:18:48,959 You're looking at five years, Teo. 270 00:18:48,960 --> 00:18:51,000 What did Alina get out of this? 271 00:18:55,080 --> 00:18:58,960 The money. 272 00:19:01,360 --> 00:19:08,200 Every penny that we made went back into her research. 273 00:19:11,920 --> 00:19:13,680 And was this part of her research? 274 00:19:18,200 --> 00:19:19,760 Yeah. What is it? 275 00:19:25,520 --> 00:19:27,399 I don't know. 276 00:19:27,400 --> 00:19:28,960 I don't. 277 00:19:32,320 --> 00:19:33,400 She wouldn't tell me. 278 00:19:35,800 --> 00:19:40,120 She said the less I knew, the less danger I would be in. 279 00:19:44,360 --> 00:19:47,679 What was Professor Barbieri researching? 280 00:19:47,680 --> 00:19:49,199 Why did she think it put her in danger? 281 00:19:49,200 --> 00:19:51,439 Who did you think she was in danger from? 282 00:19:51,440 --> 00:19:53,999 Uh, Professor Barbieri worked for a pharmaceutical company 283 00:19:54,000 --> 00:19:57,719 called Brovexum up until 18 months ago when she left abruptly. 284 00:19:58,920 --> 00:20:01,719 What was a botanist doing working for a pharmaceuticals company? 285 00:20:01,720 --> 00:20:03,599 I mean, historically plants have been a significant source 286 00:20:03,600 --> 00:20:04,879 of medicinal compounds. 287 00:20:04,880 --> 00:20:07,599 Yeah. Patience found something in the archive. 288 00:20:07,600 --> 00:20:09,719 Um, when Professor Barbieri left, 289 00:20:09,720 --> 00:20:12,999 Brovexum filed an accusation of patent theft. 290 00:20:13,000 --> 00:20:14,359 Yeah, and then a few months ago, 291 00:20:14,360 --> 00:20:17,359 she made a claim of harassment against Brovexum. 292 00:20:17,360 --> 00:20:20,439 She said they sent her intimidating emails and letters, 293 00:20:20,440 --> 00:20:22,519 and then her home was broken into. 294 00:20:22,520 --> 00:20:24,999 Nothing was taken, but her papers were disturbed. 295 00:20:25,000 --> 00:20:26,959 What happened to the complaint? 296 00:20:26,960 --> 00:20:28,399 Well, the file's full of lawyers' letters. 297 00:20:28,400 --> 00:20:30,919 It looks like Brovexum came down on it like a tonne of bricks. 298 00:20:30,920 --> 00:20:33,599 They sue first, ask questions later. 299 00:20:33,600 --> 00:20:35,279 Will, you're across the professor's emails, 300 00:20:35,280 --> 00:20:36,959 can you pull up anything from Brovexum 301 00:20:36,960 --> 00:20:38,119 or anyone associated with them? 302 00:20:38,120 --> 00:20:39,359 Ma'am. 303 00:20:39,360 --> 00:20:43,559 So, what else were Brovexum up to? Any patents in the archives? 304 00:20:43,560 --> 00:20:44,560 Um... 305 00:20:46,920 --> 00:20:51,679 Uh, I've not... not checked, I've been distracted. 306 00:20:51,680 --> 00:20:53,439 We need something concrete on Brovexum 307 00:20:53,440 --> 00:20:54,759 before we go anywhere near them. 308 00:20:55,920 --> 00:20:58,639 Anyone else the professor was specifically worried about? 309 00:20:58,640 --> 00:20:59,839 Any names in the files? 310 00:20:59,840 --> 00:21:01,759 Well, the letters are from a Marissa Wilson. 311 00:21:01,760 --> 00:21:04,639 She's a lawyer that we've dealt with in the past. 312 00:21:04,640 --> 00:21:06,319 Looks like she's gone corporate. 313 00:21:06,320 --> 00:21:07,959 She's their head of compliance. 314 00:21:09,200 --> 00:21:14,119 Alina was risking everything on whatever she was working on. 315 00:21:14,120 --> 00:21:15,800 I'm gonna talk to Marissa Wilson. 316 00:21:22,800 --> 00:21:25,599 I want it noted that I'm cooperating voluntarily. 317 00:21:25,600 --> 00:21:26,799 Noted. Please. 318 00:21:26,800 --> 00:21:30,359 What was Professor Barbieri working on when she was here? 319 00:21:30,360 --> 00:21:32,199 I can't discuss our research programmes with you, 320 00:21:32,200 --> 00:21:33,399 they're confidential. 321 00:21:33,400 --> 00:21:34,839 Why did she leave? 322 00:21:34,840 --> 00:21:39,359 And I'm not at liberty to discuss employee HR records. 323 00:21:39,360 --> 00:21:44,119 I have to say, Ms Wilson, this doesn't feel very cooperative. 324 00:21:44,120 --> 00:21:46,239 Don't pursue this. 325 00:21:46,240 --> 00:21:49,360 My legal team would bankrupt your entire department in a week. 326 00:21:52,480 --> 00:21:55,719 What was the patent you accused Professor Barbieri of stealing? 327 00:21:55,720 --> 00:21:57,839 Even if I had the time to explain it to you, 328 00:21:57,840 --> 00:21:59,359 I very much doubt you'd understand it. 329 00:21:59,360 --> 00:22:00,639 Right. OK. 330 00:22:00,640 --> 00:22:04,399 A patent, uh, protects a product or a process. 331 00:22:04,400 --> 00:22:06,120 Right so far? 332 00:22:07,840 --> 00:22:10,439 Alina wasn't selling a product. 333 00:22:10,440 --> 00:22:12,639 So, you accused her of stealing a process or an idea. 334 00:22:12,640 --> 00:22:14,279 It's not that complicated. 335 00:22:14,280 --> 00:22:16,039 Why would you break in 336 00:22:16,040 --> 00:22:19,600 and ransack her home looking for an idea? 337 00:22:22,080 --> 00:22:23,959 I've done a lot of work in Manchester. 338 00:22:23,960 --> 00:22:27,359 I think you know Chief Superintendent Banks. 339 00:22:27,360 --> 00:22:29,960 You two used to work together, didn't you? 340 00:22:39,360 --> 00:22:41,840 Thank you for your cooperation. 341 00:22:46,840 --> 00:22:49,479 Anything interesting turn up? Hey. 342 00:22:49,480 --> 00:22:52,399 We've got the mystery plant ID, artemisia annua. 343 00:22:52,400 --> 00:22:54,759 It's used in Chinese medicine against fevers 344 00:22:54,760 --> 00:22:57,439 and a key component in the anti-malaria drug 345 00:22:57,440 --> 00:22:59,759 that Brovexum brought to the market. 346 00:22:59,760 --> 00:23:02,239 So, Brovexum has been accused of intimidation 347 00:23:02,240 --> 00:23:05,199 and harassment 18 times in the past two years. 348 00:23:05,200 --> 00:23:07,079 A group of patients are taking legal action, 349 00:23:07,080 --> 00:23:08,439 and several have made complaints. 350 00:23:08,440 --> 00:23:09,639 What's the legal action about? 351 00:23:09,640 --> 00:23:10,759 Side-effects of a drug. 352 00:23:10,760 --> 00:23:11,839 What's the drug? 353 00:23:11,840 --> 00:23:15,279 Uh, it's an anti-malaria drug. Uh, the key component is... 354 00:23:15,280 --> 00:23:16,599 Artemisa annua. 355 00:23:16,600 --> 00:23:18,319 Yeah. 356 00:23:18,320 --> 00:23:21,360 It's the plant that the professor was researching in the lab. 357 00:23:23,840 --> 00:23:25,399 Alina must have been working 358 00:23:25,400 --> 00:23:27,559 on the malaria drug before she left Brovexum. 359 00:23:27,560 --> 00:23:29,479 Well, so she knew about the side-effects, 360 00:23:29,480 --> 00:23:31,439 and her research, her notes, 361 00:23:31,440 --> 00:23:33,239 it was the pattern she was looking for. 362 00:23:33,240 --> 00:23:35,799 Yeah. Maybe she found evidence. 363 00:23:35,800 --> 00:23:39,519 Something she could prove Brovexum knew that they didn't want exposed. 364 00:23:39,520 --> 00:23:41,359 Well, they'd break into her house for that. 365 00:23:41,360 --> 00:23:43,119 And that would be a threat. 366 00:23:43,120 --> 00:23:45,039 Enough to go after her and try and discredit her. 367 00:23:45,040 --> 00:23:47,279 Yeah, but is it worth killing her for? 368 00:23:47,280 --> 00:23:49,319 Yeah. I don't know. 369 00:23:49,320 --> 00:23:51,959 I mean, it's not just that. Why was she growing Artemesia annua? 370 00:23:51,960 --> 00:23:54,519 Why was she risking everything running a cannabis farm 371 00:23:54,520 --> 00:23:55,799 to fund her research? 372 00:23:55,800 --> 00:23:58,839 Alina was using what she learnt about Artemisia annua at Brovexum 373 00:23:58,840 --> 00:24:01,279 to try and find a better alternative. 374 00:24:01,280 --> 00:24:03,119 An anti-malaria drug without the side-effects. 375 00:24:03,120 --> 00:24:04,319 Right. 376 00:24:04,320 --> 00:24:06,719 She didn't want to just expose Brovexum, 377 00:24:06,720 --> 00:24:08,839 she wanted to put them out of business. Yeah. 378 00:24:08,840 --> 00:24:11,039 Yeah, that's motive enough to kill her. 379 00:24:11,040 --> 00:24:14,119 But how do we prove all of that? 380 00:24:14,120 --> 00:24:17,999 Well, proving what she was working on would be a start. 381 00:24:18,000 --> 00:24:19,120 Delphine Burrand. 382 00:24:20,920 --> 00:24:22,799 When I was searching the professor's emails, 383 00:24:22,800 --> 00:24:24,759 uh, looking for connections to Brovexum, 384 00:24:24,760 --> 00:24:28,119 I pulled up a personal email from a Delphine Burrand. 385 00:24:28,120 --> 00:24:29,999 What's it about? 386 00:24:30,000 --> 00:24:32,479 A lift to work. They seem friendly. 387 00:24:32,480 --> 00:24:34,319 Well, uh, the dates match up. 388 00:24:34,320 --> 00:24:37,599 I mean, they worked in the same department 389 00:24:37,600 --> 00:24:39,999 and they left at the same time. 390 00:24:40,000 --> 00:24:42,760 Maybe she can tell us what they were working on and why they left. 391 00:24:43,960 --> 00:24:46,119 Great work, team. 392 00:24:46,120 --> 00:24:47,959 Let's find Delphine Burrand. 393 00:24:47,960 --> 00:24:49,679 Actually we're, uh, we're going out tonight. 394 00:24:49,680 --> 00:24:51,479 Yeah, we're going speed dating. 395 00:24:51,480 --> 00:24:52,599 Yep. 396 00:24:52,600 --> 00:24:54,359 But, but not with each other. 397 00:24:54,360 --> 00:24:57,000 Well, with each other, but not WITH each other. 398 00:25:00,480 --> 00:25:03,799 Um, well, Jake says I'll feel better if I meet new people. 399 00:25:03,800 --> 00:25:05,319 Ah. 400 00:25:05,320 --> 00:25:08,719 Celebrating any major milestones with your aunt tonight, Will? 401 00:25:08,720 --> 00:25:11,199 No, I'm on it. 402 00:25:11,200 --> 00:25:12,999 OK, well, I'll meet you there. 403 00:25:13,000 --> 00:25:14,479 I've got to go home and practice first. 404 00:25:14,480 --> 00:25:15,919 Cool. 405 00:25:15,920 --> 00:25:17,720 Practice for what? 406 00:25:30,920 --> 00:25:32,159 Hello, love. 407 00:25:32,160 --> 00:25:33,239 Hi. 408 00:25:33,240 --> 00:25:35,799 Fancy having, uh, dinner together this evening? 409 00:25:35,800 --> 00:25:37,319 Uh, no, I can't. 410 00:25:37,320 --> 00:25:40,119 Uh, I'm meeting a friend tonight and I need to practice. 411 00:25:40,120 --> 00:25:43,319 Oh, lovely. Yeah. Great news. 412 00:25:43,320 --> 00:25:45,039 Uh, never mind, another time. 413 00:25:45,040 --> 00:25:46,200 OK. 414 00:25:55,880 --> 00:25:59,999 OK. Uh, so I'm gonna smile to make him feel comfortable. 415 00:26:00,000 --> 00:26:02,799 I'm gonna laugh at his jokes, even if I don't understand them, 416 00:26:02,800 --> 00:26:05,479 and I practiced my list of questions. 417 00:26:05,480 --> 00:26:06,679 What about you? 418 00:26:06,680 --> 00:26:08,519 I was just gonna wing it. 419 00:26:18,200 --> 00:26:20,839 Hi. Hi. 420 00:26:20,840 --> 00:26:23,399 Are you a cat or dog person? 421 00:26:23,400 --> 00:26:24,759 Oh, I love both. 422 00:26:24,760 --> 00:26:28,879 This is just about widening my social circle, you know. 423 00:26:28,880 --> 00:26:30,679 Hi. Hi. 424 00:26:30,680 --> 00:26:32,319 So, what do you do? 425 00:26:32,320 --> 00:26:34,399 Oh, I'm a, I'm a police detective. 426 00:26:34,400 --> 00:26:35,679 Wow. Yeah. 427 00:26:35,680 --> 00:26:37,119 So, what do you like to do on the weekends? 428 00:26:37,120 --> 00:26:39,959 I'd like to go scuba diving. 429 00:26:39,960 --> 00:26:41,039 Oh. Have you ever went? 430 00:26:41,040 --> 00:26:42,959 No, I-I wouldn't want to go scuba diving 431 00:26:42,960 --> 00:26:44,559 cos of the risks. 432 00:26:44,560 --> 00:26:49,039 Decompression sickness, nitrogen narcosis, barotrauma. 433 00:26:49,040 --> 00:26:51,159 Like, where else would I meet one of those? 434 00:26:51,160 --> 00:26:54,319 Yeah. Well, if you, uh, ever need to know how to dispose of a body, 435 00:26:54,320 --> 00:26:56,519 I'm your guy. 436 00:26:56,520 --> 00:26:57,559 Um... 437 00:26:57,560 --> 00:27:00,799 Salt water aspiration, air or gas embolism. 438 00:27:00,800 --> 00:27:02,959 On the apps there's... there's always someone new, 439 00:27:02,960 --> 00:27:04,679 it's really easy to move on. But this is, 440 00:27:04,680 --> 00:27:06,559 uh, it's a full six minutes, 441 00:27:06,560 --> 00:27:09,479 and you can't ghost me. HE LAUGHS 442 00:27:09,480 --> 00:27:13,599 Oxygen toxicity. Dysbaric osteonecrosis. 443 00:27:13,600 --> 00:27:15,479 Hypothermia. 444 00:27:15,480 --> 00:27:18,119 Most people just say they're scared of sharks. 445 00:27:18,120 --> 00:27:21,479 I like sharks. 446 00:27:21,480 --> 00:27:22,720 Hello. Hi. 447 00:27:24,160 --> 00:27:25,880 Urgh. 448 00:27:30,480 --> 00:27:32,120 Why do people do this? 449 00:27:38,320 --> 00:27:39,400 Ma'am? 450 00:27:41,440 --> 00:27:42,760 I found Delphine Burrand. 451 00:27:51,760 --> 00:27:54,039 Delphine was hospitalised after she attempted 452 00:27:54,040 --> 00:27:56,999 to take her own life 18 months ago. 453 00:27:57,000 --> 00:27:58,319 She hasn't woken up since. 454 00:27:58,320 --> 00:27:59,759 Her parents died of malaria, 455 00:27:59,760 --> 00:28:01,039 and according to the staff, 456 00:28:01,040 --> 00:28:03,480 Professor Barbieri was a regular visitor. 457 00:28:06,640 --> 00:28:08,520 Uh, can I help you? 458 00:28:11,880 --> 00:28:16,519 She overdosed on aconite. 459 00:28:16,520 --> 00:28:21,319 It's, um, used in Chinese medicine to treat malaria, 460 00:28:21,320 --> 00:28:26,079 and, uh, Delphine was using it to develop a homeopathic treatment. 461 00:28:26,080 --> 00:28:29,839 Was she working with Alina to expose Brovexum? 462 00:28:29,840 --> 00:28:30,960 No. 463 00:28:32,400 --> 00:28:35,680 No, this is all Alina's paranoia. 464 00:28:38,720 --> 00:28:43,559 Delphine was deeply unhappy, 465 00:28:43,560 --> 00:28:46,080 and there was nothing any of us could do to help her. 466 00:28:49,520 --> 00:28:50,799 JAKE: So, what d'you think? 467 00:28:50,800 --> 00:28:53,239 Yeah, his vulnerability was... seductive. 468 00:28:53,240 --> 00:28:54,719 But, yeah, I don't know. 469 00:28:54,720 --> 00:28:56,119 How was speed dating? 470 00:28:56,120 --> 00:28:58,279 I didn't get any matches. I got two. 471 00:28:58,280 --> 00:28:59,919 I matched yes to everyone to improve 472 00:28:59,920 --> 00:29:01,799 my statistical probability of a match. 473 00:29:01,800 --> 00:29:06,039 Ah, falling for someone isn't about the statistical probability. 474 00:29:06,040 --> 00:29:08,039 Well, there are studies to show that it is. 475 00:29:08,040 --> 00:29:10,920 Oh, that's bollocks. It's about your heart, Headphones. 476 00:29:17,160 --> 00:29:18,639 That'll be number 56. 477 00:29:18,640 --> 00:29:20,479 Yeah. 478 00:29:23,680 --> 00:29:25,040 Don't you start. 479 00:29:48,720 --> 00:29:49,720 Patience. 480 00:29:54,560 --> 00:29:56,239 You asked me not to call you Headphones, 481 00:29:56,240 --> 00:29:58,359 and I respect that. I just forgot just then. 482 00:29:58,360 --> 00:29:59,680 It won't happen again. 483 00:30:04,960 --> 00:30:06,999 I am good at reading people. 484 00:30:07,000 --> 00:30:09,280 I just, I find it hard to read you. 485 00:30:18,480 --> 00:30:20,200 Um, I... 486 00:30:21,320 --> 00:30:26,039 ...don't think any of my dates last night realised... 487 00:30:26,040 --> 00:30:27,520 ...I'm autistic. 488 00:30:29,360 --> 00:30:32,399 I was trying... 489 00:30:32,400 --> 00:30:35,200 ...so hard to hide it. 490 00:30:37,880 --> 00:30:40,680 You don't have to be in disguise for someone to like you. 491 00:30:49,120 --> 00:30:50,800 I know what killed the professor. 492 00:30:55,120 --> 00:30:59,239 So, Acacia wasn't the poison that killed Professor Barbieri. 493 00:30:59,240 --> 00:31:01,359 Plants are a poison, but also the cure. 494 00:31:01,360 --> 00:31:03,319 We assumed it was Acacia that killed her, 495 00:31:03,320 --> 00:31:05,399 but it was actually the cure in disguise. 496 00:31:05,400 --> 00:31:06,599 Cure for what? 497 00:31:06,600 --> 00:31:09,839 Delphine Burrand, her colleague, she overdosed on aconite. 498 00:31:09,840 --> 00:31:12,599 The Acacia leaves are the antidote for aconite. 499 00:31:12,600 --> 00:31:15,239 Yeah. So, what if Alina knew she was poisoned, 500 00:31:15,240 --> 00:31:17,959 ingested the leaves cause she knew it was also the cure? 501 00:31:17,960 --> 00:31:20,559 Aconite didn't come up on the toxicology report. 502 00:31:20,560 --> 00:31:22,399 Yeah, it's a poison you can't detect 503 00:31:22,400 --> 00:31:24,719 unless you're looking specifically for it. 504 00:31:24,720 --> 00:31:26,119 Yeah. 505 00:31:26,120 --> 00:31:27,680 Right, well. Let's look for it. 506 00:31:35,760 --> 00:31:37,159 That's a pretty extraordinary 507 00:31:37,160 --> 00:31:40,319 coincidence that Alina was killed with the same poison 508 00:31:40,320 --> 00:31:41,679 that Delphine OD'd on. 509 00:31:41,680 --> 00:31:43,679 Surely that's enough to go back to Brovexum with? 510 00:31:43,680 --> 00:31:45,960 Ah, here you are. OK. 511 00:31:47,080 --> 00:31:50,199 Both of you, here's another extraordinary thing. 512 00:31:50,200 --> 00:31:51,639 I'm sorry. 513 00:31:51,640 --> 00:31:53,279 Oh. 514 00:31:53,280 --> 00:31:55,919 Please come to my house so I can cook you dinner 515 00:31:55,920 --> 00:31:58,279 to apologise properly. 516 00:31:58,280 --> 00:31:59,680 Aconite on toast. 517 00:32:03,000 --> 00:32:04,919 That's a joke. Sorry. 518 00:32:04,920 --> 00:32:07,119 I did it again, didn't I? 519 00:32:07,120 --> 00:32:10,719 Uh, Alina wasn't at work all day, as we thought, 520 00:32:10,720 --> 00:32:12,359 on the day that she were killed. 521 00:32:12,360 --> 00:32:13,959 Timely interruption. Thank you, Will. 522 00:32:13,960 --> 00:32:18,879 She attended an appointment to register a new plant species. 523 00:32:18,880 --> 00:32:21,999 But it wasn't in her diary. 524 00:32:22,000 --> 00:32:23,519 Future love. 525 00:32:23,520 --> 00:32:26,279 Well, I can head down there, find out who she spoke to. 526 00:32:26,280 --> 00:32:28,919 Don't plants normally have Latin names? 527 00:32:28,920 --> 00:32:30,599 Oh, that's a scientific name, ma'am. 528 00:32:30,600 --> 00:32:32,879 Future Love is the common name. 529 00:32:32,880 --> 00:32:34,080 My aunt gardens. 530 00:32:36,320 --> 00:32:37,559 Patience? 531 00:32:37,560 --> 00:32:40,719 Future Love, that's a book title. 532 00:32:40,720 --> 00:32:43,160 I've seen that before at Alina's lab in Rufforth. 533 00:32:44,560 --> 00:32:45,960 Let's go. 534 00:32:54,160 --> 00:32:56,120 Yeah, there it is. 535 00:33:00,160 --> 00:33:01,640 Future Love. 536 00:33:07,560 --> 00:33:08,879 There's an inscription. 537 00:33:08,880 --> 00:33:10,559 Um... 538 00:33:10,560 --> 00:33:14,440 "To my darling Alina, when our bodies entwine..." 539 00:33:19,800 --> 00:33:21,879 "..it's the only moment that matters. 540 00:33:21,880 --> 00:33:25,400 "To our future together. All my love, Delphine." 541 00:33:27,240 --> 00:33:30,199 Alina and Delphine were lovers. Yeah. 542 00:33:30,200 --> 00:33:31,440 Um, what's...? 543 00:33:41,160 --> 00:33:43,920 I think you just found what Brovexum are looking for. 544 00:33:54,400 --> 00:33:55,639 This is incendiary. 545 00:33:55,640 --> 00:33:57,479 It could change the outcome of the court case. 546 00:33:57,480 --> 00:33:58,599 So, why didn't she hand them in? 547 00:33:58,600 --> 00:33:59,999 She stole them. 548 00:34:00,000 --> 00:34:01,719 And Brovexum would have seen her go to jail, 549 00:34:01,720 --> 00:34:02,879 and they implicate Delphine. 550 00:34:02,880 --> 00:34:05,199 I mean, I think she was waiting until she finished her research 551 00:34:05,200 --> 00:34:06,319 to secure the bigger win. 552 00:34:06,320 --> 00:34:08,879 So, someone at Brovexum's got a motive for murder. 553 00:34:13,080 --> 00:34:16,239 Dr Parsons, you're on speaker. 554 00:34:16,240 --> 00:34:17,999 We have a cause of death. 555 00:34:18,000 --> 00:34:20,839 The levels of aconite in Alyssa Barbieri's blood 556 00:34:20,840 --> 00:34:22,559 were high enough to kill her. 557 00:34:22,560 --> 00:34:23,679 Good call, Patience. 558 00:34:23,680 --> 00:34:26,199 What, so the same obscure poison that put Delphine 559 00:34:26,200 --> 00:34:28,599 in a coma was used to kill Alina? 560 00:34:28,600 --> 00:34:30,279 Absolutely. 561 00:34:30,280 --> 00:34:32,039 It's enough to bring Wilson in for questioning. 562 00:34:32,040 --> 00:34:35,199 And to secure a warrant for Brovexum's HR records and emails. 563 00:34:35,200 --> 00:34:38,719 Let's line up everything perfectly before we serve that slimeball, 564 00:34:38,720 --> 00:34:40,559 Ms Wilson. Thank you, Dr Parsons. 565 00:34:40,560 --> 00:34:41,679 Uh, uh, sorry. 566 00:34:41,680 --> 00:34:44,639 Um, Dr Parsons, isn't aconite very fast acting. 567 00:34:44,640 --> 00:34:46,079 Yes. Extremely. 568 00:34:46,080 --> 00:34:47,799 I mean, it could only have been administered 569 00:34:47,800 --> 00:34:49,039 a few moments before she died. 570 00:34:49,040 --> 00:34:51,399 So then, the killer must have been inside the tropical greenhouse 571 00:34:51,400 --> 00:34:52,679 with Professor Barbieri. 572 00:34:52,680 --> 00:34:54,679 Yeah. But there were no alarms, no struggle, 573 00:34:54,680 --> 00:34:56,639 nothing to suggest an intruder. 574 00:34:56,640 --> 00:35:01,039 So then, Alina knew her killer, trusted them enough to let them in. 575 00:35:01,040 --> 00:35:02,759 yeah. 576 00:35:02,760 --> 00:35:05,679 That doesn't line up with a Brovexum assassin. 577 00:35:05,680 --> 00:35:07,360 Tell me you have another suspect. 578 00:35:20,400 --> 00:35:22,519 There is a connection between these two women 579 00:35:22,520 --> 00:35:24,919 which tells us how Alina died. 580 00:35:24,920 --> 00:35:26,720 Why can't I see it? 581 00:35:34,480 --> 00:35:36,119 You asked to speak to me? 582 00:35:36,120 --> 00:35:37,199 Uh, yes. 583 00:35:37,200 --> 00:35:40,239 You spoke to one of my colleagues who said you recognised this woman 584 00:35:40,240 --> 00:35:41,559 as a regular visitor. 585 00:35:41,560 --> 00:35:42,919 Alina. Yeah. 586 00:35:42,920 --> 00:35:44,839 What did she do when she was here? 587 00:35:44,840 --> 00:35:46,799 Did she talk to her? 588 00:35:46,800 --> 00:35:48,639 Um, sometimes she read to her. 589 00:35:48,640 --> 00:35:51,679 Um, she brought those. 590 00:35:51,680 --> 00:35:55,039 Yeah, the blue rose? 591 00:35:55,040 --> 00:35:56,959 Unusual, isn't it? 592 00:35:56,960 --> 00:35:59,880 Well, blue roses don't actually exist in nature. 593 00:36:02,560 --> 00:36:04,320 I've seen this before. 594 00:36:08,840 --> 00:36:11,159 Here. Thank you. 595 00:36:11,160 --> 00:36:17,359 So, this was the scene where Delphine's body was found. 596 00:36:17,360 --> 00:36:19,919 It was treated as a crime scene 597 00:36:19,920 --> 00:36:22,879 before they officially ruled it as an attempted suicide. 598 00:36:22,880 --> 00:36:24,039 Who found her? 599 00:36:24,040 --> 00:36:26,439 Um, her husband, Tobias. 600 00:36:26,440 --> 00:36:28,119 It says in his statement, 601 00:36:28,120 --> 00:36:31,319 "He knocked over the vase in a panic and it shattered on the floor." 602 00:36:31,320 --> 00:36:32,679 Yeah. 603 00:36:32,680 --> 00:36:35,000 Tobias Burrand, I knew I wasn't sure about you. 604 00:36:46,040 --> 00:36:47,520 Whoa. 605 00:36:51,240 --> 00:36:57,279 So, each plant grown from seed has its own unique DNA. 606 00:36:57,280 --> 00:36:59,399 So, to create a truly blue rose, 607 00:36:59,400 --> 00:37:02,359 the professor must have modified the genetic code of 608 00:37:02,360 --> 00:37:03,959 a white one to create an entirely new breed. 609 00:37:03,960 --> 00:37:05,879 That's... 610 00:37:05,880 --> 00:37:07,039 ...it's amazing. 611 00:37:11,480 --> 00:37:13,919 Oh, any luck, Will? 612 00:37:13,920 --> 00:37:16,839 Uh, drug squad's got hours of CCTV footage, 613 00:37:16,840 --> 00:37:18,199 but I found him. 614 00:37:18,200 --> 00:37:20,679 Tobias Burrand. 615 00:37:20,680 --> 00:37:26,719 He arrives, snoops around. 616 00:37:26,720 --> 00:37:29,600 And he stops by a particular plant in the east greenhouse. 617 00:37:31,760 --> 00:37:34,599 It's not a blue rose by any chance, is it? 618 00:37:34,600 --> 00:37:36,519 It's a black and white camera, ma'am. 619 00:37:36,520 --> 00:37:39,839 And then, what does he do next, exactly? 620 00:37:39,840 --> 00:37:42,719 Uh, he looks at it, steps close to it. 621 00:37:42,720 --> 00:37:44,719 Then he reaches for something inside the plant pot. 622 00:37:44,720 --> 00:37:46,839 Could be a label? 623 00:37:46,840 --> 00:37:48,400 And he takes it out to look at it. 624 00:37:50,840 --> 00:37:53,079 Scientific name Rosa Delphinium. 625 00:37:53,080 --> 00:37:55,999 It's after Delphine. 626 00:37:56,000 --> 00:37:57,199 Then he looks quite upset. 627 00:37:57,200 --> 00:37:58,680 What's the date on the tape? 628 00:38:03,440 --> 00:38:06,559 Boss, I spoke to some of the staff. 629 00:38:06,560 --> 00:38:08,519 His alibi stands up. 630 00:38:08,520 --> 00:38:10,359 His phone records show he was in the city centre, 631 00:38:10,360 --> 00:38:11,959 and the waiter in the restaurant remembers him. 632 00:38:11,960 --> 00:38:13,359 The waiter says he ate dinner with a woman, 633 00:38:13,360 --> 00:38:15,439 and then stayed until closing drinking on his own. 634 00:38:15,440 --> 00:38:16,879 Left a big tip. 635 00:38:16,880 --> 00:38:19,199 Yeah, course he did. He wanted to be remembered. 636 00:38:19,200 --> 00:38:21,519 Did you get a description of the woman he ate dinner with? 637 00:38:21,520 --> 00:38:22,679 Yeah. 638 00:38:22,680 --> 00:38:24,199 Why did you not mention you had dinner 639 00:38:24,200 --> 00:38:27,959 with Alina Barbieri the night she died? 640 00:38:27,960 --> 00:38:29,559 Alina asked to meet me. 641 00:38:29,560 --> 00:38:31,640 Um, I agreed to dinner... 642 00:38:33,640 --> 00:38:34,799 ...but it was just as I feared. 643 00:38:34,800 --> 00:38:36,719 All she wanted to talk about was her paranoid 644 00:38:36,720 --> 00:38:40,399 Brovexum conspiracy theories. 645 00:38:40,400 --> 00:38:42,280 We had a row. She left. 646 00:38:43,720 --> 00:38:46,519 I stayed and finished the bottle of wine. 647 00:38:46,520 --> 00:38:49,040 I was annoyed with myself for falling out with her. 648 00:38:50,640 --> 00:38:54,399 You could have been the last person to see her alive. 649 00:38:54,400 --> 00:38:55,800 Apart from the murderer. 650 00:38:57,600 --> 00:38:59,240 Why did you lie? 651 00:39:02,160 --> 00:39:05,999 When you tell people that your wife attempted 652 00:39:06,000 --> 00:39:09,559 to kill herself, they look at you a certain way. 653 00:39:09,560 --> 00:39:10,680 There's a... 654 00:39:12,160 --> 00:39:14,719 ...there's an unspoken question. 655 00:39:14,720 --> 00:39:16,280 "How did you let that happen?" 656 00:39:19,280 --> 00:39:21,999 I suppose I'm tired of being looked at with suspicion. 657 00:39:22,000 --> 00:39:23,120 I'm sorry. 658 00:39:24,320 --> 00:39:27,879 I hope I haven't set your investigation back. 659 00:39:27,880 --> 00:39:31,440 I stayed at the restaurant drinking until closing. 660 00:39:33,240 --> 00:39:34,440 Did the waiter tell you? 661 00:39:38,040 --> 00:39:40,760 I know he did it. But how? 662 00:39:42,280 --> 00:39:44,519 He was at the restaurant when Alina died. 663 00:39:44,520 --> 00:39:46,079 There's witnesses. 664 00:39:46,080 --> 00:39:49,039 CCTV footage shows him entering and leaving. 665 00:39:49,040 --> 00:39:50,759 He couldn't have administered the poison. 666 00:39:50,760 --> 00:39:51,999 How do you know? 667 00:39:52,000 --> 00:39:54,839 Well, I sent down dozens of guys who've killed 668 00:39:54,840 --> 00:39:59,599 or tried to kill their wives and he's just, he's got the same... 669 00:39:59,600 --> 00:40:01,199 I know he killed Alina, 670 00:40:01,200 --> 00:40:02,999 and I know he tried to kill Delphine. 671 00:40:03,000 --> 00:40:06,199 It's just the timeline says it's impossible. 672 00:40:06,200 --> 00:40:08,759 Or maybe there's another way of looking at the timeline. 673 00:40:08,760 --> 00:40:11,599 Alina was given the poison by someone she trusted 674 00:40:11,600 --> 00:40:13,879 moments before she died when Tobias Burrand was in... 675 00:40:13,880 --> 00:40:16,239 Uh, you've just made a leap in logic. 676 00:40:16,240 --> 00:40:17,359 How? 677 00:40:17,360 --> 00:40:20,319 Well, the poison must have been ingested moments before she died. 678 00:40:20,320 --> 00:40:21,959 But... 679 00:40:21,960 --> 00:40:26,679 ...she could've been given it earlier. 680 00:40:26,680 --> 00:40:28,039 Into something she trusted. 681 00:40:28,040 --> 00:40:30,279 Without her knowing. 682 00:40:30,280 --> 00:40:32,919 Of course. 683 00:40:32,920 --> 00:40:37,159 We, uh, found this on Alina's body. 684 00:40:37,160 --> 00:40:39,639 That's nothing unusual. She was asthmatic. 685 00:40:39,640 --> 00:40:41,599 But... 686 00:40:41,600 --> 00:40:43,919 ...when we tested it, 687 00:40:43,920 --> 00:40:46,480 it was filled with powdered aconite. 688 00:40:49,200 --> 00:40:52,560 We traced the unique serial number on the inhaler, and... 689 00:40:59,160 --> 00:41:01,399 ...it was purchased with your credit card. 690 00:41:01,400 --> 00:41:02,720 Can you explain that? 691 00:41:05,440 --> 00:41:08,999 No comment. 692 00:41:09,000 --> 00:41:11,399 It was ordered the same day you were captured on CCTV 693 00:41:11,400 --> 00:41:13,639 visiting Rufforth Farm. 694 00:41:13,640 --> 00:41:15,600 Something inspire an impulse buy? 695 00:41:18,760 --> 00:41:20,079 No comment. 696 00:41:20,080 --> 00:41:21,679 Do you know the thing I love about this job is getting 697 00:41:21,680 --> 00:41:23,559 to learn new stuff every day? 698 00:41:23,560 --> 00:41:29,439 Did you know that every plant has a unique DNA? 699 00:41:29,440 --> 00:41:30,639 It's like ours. Only simpler. 700 00:41:30,640 --> 00:41:31,720 I... 701 00:41:33,480 --> 00:41:34,799 No comment. 702 00:41:34,800 --> 00:41:37,559 So, when we test the aconite in that inhaler, 703 00:41:37,560 --> 00:41:41,079 I'm guessing that it has the exact same DNA 704 00:41:41,080 --> 00:41:43,799 as an aconite plant in your garden. 705 00:41:43,800 --> 00:41:44,919 No comment. 706 00:41:44,920 --> 00:41:47,759 You only need to say that when I ask you a question. 707 00:41:47,760 --> 00:41:51,319 It's a nice touch, tipping the waiter so generously. 708 00:41:51,320 --> 00:41:54,279 Could have saved yourself the money and got us to check the CCTV? 709 00:41:54,280 --> 00:41:56,360 There wasn't any covering our table. I... 710 00:41:59,840 --> 00:42:01,280 Checked, did you? 711 00:42:03,600 --> 00:42:07,999 So, you knew it was safe to swap the inhaler in Alina's bag 712 00:42:08,000 --> 00:42:11,280 with the one you filled with powdered aconite. 713 00:42:17,240 --> 00:42:21,719 When Delphine told you she was leaving you for someone else, 714 00:42:21,720 --> 00:42:23,440 how did it feel? 715 00:42:24,840 --> 00:42:25,920 You felt helpless. 716 00:42:27,400 --> 00:42:29,199 Yeah? 717 00:42:29,200 --> 00:42:30,400 Angry. 718 00:42:33,360 --> 00:42:37,159 So, you poisoned her with her aconite medicine. 719 00:42:37,160 --> 00:42:38,759 But you didn't quite manage to kill her, 720 00:42:38,760 --> 00:42:43,279 and you still didn't know who she was cheating on you with. 721 00:42:43,280 --> 00:42:45,200 That must have been agony. 722 00:42:50,640 --> 00:42:53,159 You know, the thing I think that tipped you over the edge 723 00:42:53,160 --> 00:42:55,359 was when you knew it was Alina, 724 00:42:55,360 --> 00:42:59,479 was realising just how truly deeply in love they were. 725 00:42:59,480 --> 00:43:00,679 Rare, special. 726 00:43:00,680 --> 00:43:03,159 No, no. 727 00:43:04,480 --> 00:43:06,479 We found a dedication from Delphine to Alina 728 00:43:06,480 --> 00:43:08,959 in one of the books that Alina always read to her. 729 00:43:08,960 --> 00:43:11,119 "To my darling Alina..." Don't. Don't. 730 00:43:11,120 --> 00:43:12,679 "..when our bodies entwine..." 731 00:43:12,680 --> 00:43:14,560 Alina was a corrupting whore! 732 00:43:21,520 --> 00:43:24,840 Killing her was the easiest way to end the suffering, wasn't it? 733 00:43:31,080 --> 00:43:32,160 Yes. 734 00:43:37,200 --> 00:43:40,279 I didn't know we had the resources to test plant DNA. 735 00:43:40,280 --> 00:43:41,640 We don't. 736 00:43:48,360 --> 00:43:49,480 Teo. 737 00:43:51,040 --> 00:43:53,559 We shared the files that we found in Alina's things 738 00:43:53,560 --> 00:43:57,439 with a Serious Fraud Office and the legal team fighting Brovexum. 739 00:43:57,440 --> 00:43:59,479 And they think they're dynamite. 740 00:43:59,480 --> 00:44:00,919 She got 'em in the end, then. 741 00:44:00,920 --> 00:44:02,559 You gonna be OK? 742 00:44:02,560 --> 00:44:04,399 I... 743 00:44:04,400 --> 00:44:06,199 Yeah. Time to sort out my head, I guess. 744 00:44:06,200 --> 00:44:08,119 Yeah. 745 00:44:08,120 --> 00:44:10,519 Oh, hey, can you, um... 746 00:44:10,520 --> 00:44:11,960 ...could you do me a favour? 747 00:44:13,440 --> 00:44:15,480 Could you make sure Paco's looked after? 748 00:44:24,200 --> 00:44:26,119 So glad you could both make it. 749 00:44:26,120 --> 00:44:28,199 Oh, do you want us to take our shoes off? 750 00:44:28,200 --> 00:44:29,919 Oh, yeah. Shoes on, shoes off. 751 00:44:29,920 --> 00:44:32,199 Just make yourself at home. 752 00:44:32,200 --> 00:44:34,039 Can I get you a drink? 753 00:44:34,040 --> 00:44:35,959 Yeah. Would you like a mocktail? 754 00:44:35,960 --> 00:44:37,319 Yeah. Yeah? Mocktail? Cocktail? 755 00:44:37,320 --> 00:44:39,360 Yeah, I'd love a cocktail, yeah, please. 756 00:44:42,800 --> 00:44:44,239 Wow. 757 00:44:44,240 --> 00:44:45,720 All this on a DI salary, yeah? 758 00:44:58,280 --> 00:44:59,919 This place is amazing. 759 00:44:59,920 --> 00:45:01,639 Oh, yeah, thanks. 760 00:45:01,640 --> 00:45:03,719 Um, this is the first time I've used this pan. 761 00:45:03,720 --> 00:45:06,879 It comes already seasoned with flax oil. 762 00:45:06,880 --> 00:45:10,079 Um, the pan's cast iron, but the handle stays cool. 763 00:45:10,080 --> 00:45:11,359 Wow. 764 00:45:11,360 --> 00:45:15,239 Is this your mum? 765 00:45:15,240 --> 00:45:20,519 Yeah. But she's not around anymore. 766 00:45:20,520 --> 00:45:23,559 You've got to try these olives before the main event. 767 00:45:23,560 --> 00:45:24,840 They're so tasty. 768 00:45:35,880 --> 00:45:38,079 Absolutely divine. 769 00:45:38,080 --> 00:45:42,159 30 Euros a jar, including postage. 770 00:45:42,160 --> 00:45:43,279 Oh, so now we know what all the, 771 00:45:43,280 --> 00:45:45,359 uh, parcels coming to the office were. 772 00:45:47,040 --> 00:45:48,640 I'm gonna get your drinks. 773 00:45:51,720 --> 00:45:53,360 Sit down, sit down, sit down. 774 00:46:02,160 --> 00:46:04,839 That one's yours. Thank you. 775 00:46:04,840 --> 00:46:06,439 Ah, thank you. There we go. 776 00:46:06,440 --> 00:46:07,719 Cheers. Cheers. 777 00:46:07,720 --> 00:46:09,840 - Cheers. - Cheers.