1 00:00:10,090 --> 00:00:14,866 World war ii. The German wolf pack prowled the Atlantic. 2 00:00:14,890 --> 00:00:20,100 Their orders sent in code. The codes were unlocked by this. 3 00:00:23,110 --> 00:00:25,200 Enigma. A kind of key. 4 00:00:25,980 --> 00:00:28,980 Every submarine commander had one. 5 00:00:29,660 --> 00:00:31,830 Inevitably, during the sea battles, 6 00:00:32,320 --> 00:00:36,370 one fell into enemy hands and the cipher was broken. 7 00:00:37,000 --> 00:00:41,630 Key sharing led to the fall of the Nazis. 8 00:00:45,250 --> 00:00:50,300 So, how do we deal with this problem in the silicon age? 9 00:00:50,800 --> 00:00:54,616 How do we keep our precious keys safe 10 00:00:54,640 --> 00:00:57,730 whilst still making them readily available? 11 00:00:58,770 --> 00:00:59,956 Answer. 12 00:00:59,980 --> 00:01:05,126 For every piece of treasure, we create a special kind of lock. 13 00:01:05,150 --> 00:01:09,030 A lock that needs one key to close it 14 00:01:09,950 --> 00:01:12,160 and a different one to open it. 15 00:01:13,070 --> 00:01:17,450 Two different keys, two different processes. 16 00:01:18,040 --> 00:01:23,170 The first key, the locking key, we make available to everyone. 17 00:01:24,540 --> 00:01:26,170 A public key. 18 00:01:29,210 --> 00:01:33,630 The second one, we make impossible to replicate. 19 00:01:36,180 --> 00:01:40,140 They're linked by a mathematical function. 20 00:01:42,230 --> 00:01:46,230 An algorithm using prime numbers. 21 00:01:48,190 --> 00:01:50,480 Public key cryptography. 22 00:03:29,420 --> 00:03:30,420 Are you in? 23 00:03:35,220 --> 00:03:36,220 Taylah. 24 00:03:38,640 --> 00:03:39,730 They can't know. 25 00:03:41,560 --> 00:03:43,900 Delete every record of the work I did there. 26 00:03:45,600 --> 00:03:48,730 - They had cameras everywhere. - Yeah, not anymore. 27 00:03:51,320 --> 00:03:52,626 It's all gone? 28 00:03:52,650 --> 00:03:53,740 It's all gone. 29 00:03:55,400 --> 00:03:56,876 - Everything? - Everything. 30 00:03:56,900 --> 00:03:59,046 Erased. Every last trace of what you did. 31 00:03:59,070 --> 00:04:01,660 The prime finder only exists on this phone now. 32 00:04:12,290 --> 00:04:14,500 Hey. You okay? 33 00:04:24,930 --> 00:04:26,850 All right. Let's go. 34 00:05:08,930 --> 00:05:11,536 We've sent everyone else home. What happened in London? 35 00:05:11,560 --> 00:05:12,940 Nothing happened in London. 36 00:05:13,440 --> 00:05:15,507 - We think they're here. - What? In Cambridge? 37 00:05:15,531 --> 00:05:19,466 We caught them on cctv heading towards the m11 out of London. 38 00:05:19,490 --> 00:05:21,006 What's their game plan? 39 00:05:21,030 --> 00:05:22,756 I think they want to hurt us. 40 00:05:22,780 --> 00:05:25,660 They'll break cover at some point. Let's be ready for them. 41 00:05:41,260 --> 00:05:42,260 There's two. 42 00:05:42,890 --> 00:05:43,930 Cheers. 43 00:05:54,190 --> 00:05:56,166 Did someone hand in my sports kit? 44 00:05:56,190 --> 00:05:57,690 I can't find it anywhere. 45 00:05:58,230 --> 00:06:00,046 I'll have a look in the back room for you. 46 00:06:00,070 --> 00:06:01,410 Thank you, Keith. 47 00:06:11,540 --> 00:06:13,766 No. Nothing back there at all, I'm afraid. 48 00:06:13,790 --> 00:06:16,000 Weird. I'm so sorry. 49 00:08:02,020 --> 00:08:03,150 You need to eat. 50 00:08:03,940 --> 00:08:04,940 Okay? 51 00:08:13,240 --> 00:08:15,580 You know, professor Osborne got me into college. 52 00:08:18,250 --> 00:08:21,800 And then he got me this room. 53 00:08:23,460 --> 00:08:24,670 Everyone else wanted it. 54 00:08:27,300 --> 00:08:29,140 He said I'd like the view. 55 00:08:32,260 --> 00:08:33,510 And we'd go out there and... 56 00:08:35,520 --> 00:08:37,270 We'd do our tutorials on the grass. 57 00:08:40,270 --> 00:08:43,610 I would've been lost without him. 58 00:08:46,690 --> 00:08:49,530 It was the first time I ever felt like I belonged anywhere. 59 00:08:56,330 --> 00:08:57,620 And now he's dead. 60 00:09:01,540 --> 00:09:03,040 'Cause I wouldn't stop. 61 00:09:09,050 --> 00:09:11,720 He cared about you a lot, ed. 62 00:09:12,850 --> 00:09:14,060 Anyone could see that. 63 00:09:19,890 --> 00:09:22,140 I thought this was beautiful. 64 00:09:25,820 --> 00:09:26,820 But now. 65 00:09:31,610 --> 00:09:33,070 I wanna fight back. 66 00:09:33,990 --> 00:09:38,160 Good. Kaplar, Carter, axiorn, Jane. 67 00:09:39,250 --> 00:09:40,330 Let's burn 'em all to hell. 68 00:09:43,250 --> 00:09:45,840 We use it once and then we destroy it. 69 00:09:48,460 --> 00:09:49,880 I think we just gotta be careful. 70 00:09:50,470 --> 00:09:51,822 'Cause they'll track it. 71 00:09:51,846 --> 00:09:54,066 It's like shooting a flare in a dark room. 72 00:09:54,090 --> 00:09:57,300 - Ed? What the hell is going on? - Hey. 73 00:09:58,310 --> 00:09:59,616 You look like shit. 74 00:09:59,640 --> 00:10:01,746 You shouldn't be here. 75 00:10:01,770 --> 00:10:03,876 Well, first you disappear for I don't know how long. 76 00:10:03,900 --> 00:10:04,956 Okay, I'm sorry. 77 00:10:04,980 --> 00:10:07,836 Well, I thought you'd done something crazy, like run away with bar guy. 78 00:10:07,860 --> 00:10:08,990 Who's this? 79 00:10:10,320 --> 00:10:11,716 Fi, taylah. 80 00:10:11,740 --> 00:10:12,990 Taylah, fi. 81 00:10:17,580 --> 00:10:19,780 - Wait, are you two... - No. - No. 82 00:10:22,250 --> 00:10:23,460 Listen, fi. 83 00:10:24,370 --> 00:10:25,516 You've been amazing. 84 00:10:25,540 --> 00:10:28,790 I'm so grateful, but... Please, you cannot be here. 85 00:10:31,300 --> 00:10:32,760 - Okay. - Okay. 86 00:10:35,260 --> 00:10:36,720 Just wait a second. 87 00:10:39,470 --> 00:10:42,890 He has one last thing he needs you to do for him. 88 00:10:49,150 --> 00:10:51,666 Okay. You got anything? 89 00:10:51,690 --> 00:10:52,980 Nothing. Not yet. 90 00:10:57,410 --> 00:10:58,410 All right. 91 00:11:01,040 --> 00:11:02,556 Call Cambridge police. 92 00:11:02,580 --> 00:11:06,146 A body was found in the city of London last night, dumped in a back street. 93 00:11:06,170 --> 00:11:10,232 Edward Brooks is a person of interest. We say he's in Cambridge. 94 00:11:10,256 --> 00:11:11,566 What if they arrest him? 95 00:11:11,590 --> 00:11:14,430 We track their inquiries and get there first. 96 00:11:24,430 --> 00:11:27,270 Sorry to bother you, master. The police are at the front desk. 97 00:11:28,150 --> 00:11:29,206 Police? 98 00:11:29,230 --> 00:11:30,940 Yes, looking for Edward Brooks. 99 00:11:32,860 --> 00:11:36,586 Brooks? He's not with us anymore. He's been sent down. 100 00:11:36,610 --> 00:11:38,006 - Did you tell them? - I did. 101 00:11:38,030 --> 00:11:40,740 They said they had good reason to believe he is in Cambridge, sir. 102 00:11:42,240 --> 00:11:43,280 All right. 103 00:11:44,660 --> 00:11:46,476 Stall them for ten minutes. 104 00:11:46,500 --> 00:11:48,960 - I'll make a few calls. - Sir. 105 00:12:03,470 --> 00:12:04,470 Heya. 106 00:12:06,640 --> 00:12:08,230 - Here. - Cheers. Thank you. 107 00:12:40,010 --> 00:12:41,090 Hi. Yeah, hi. 108 00:12:41,720 --> 00:12:43,810 Sorry. Can you wait a sec? 109 00:12:47,140 --> 00:12:48,140 Yeah. 110 00:12:49,350 --> 00:12:51,786 I'm just taking a call. 111 00:12:51,810 --> 00:12:53,210 - I'll be right back. - No problem. 112 00:12:55,070 --> 00:12:57,256 Done. It'll log out in two minutes. 113 00:12:57,280 --> 00:12:58,370 Okay. Go. 114 00:13:03,580 --> 00:13:04,670 Darnell college. 115 00:13:05,160 --> 00:13:07,096 Can you put me through to admin, please? 116 00:13:07,120 --> 00:13:08,410 One moment, please. 117 00:13:20,130 --> 00:13:21,630 Darnell college, admin. 118 00:13:23,100 --> 00:13:24,100 Hello? 119 00:13:25,560 --> 00:13:26,560 Hello? 120 00:13:31,400 --> 00:13:32,400 Okay. 121 00:14:30,370 --> 00:14:31,636 He's out in the open. 122 00:14:31,660 --> 00:14:32,750 Show us. 123 00:14:38,340 --> 00:14:39,340 Trinity Lane. 124 00:14:43,220 --> 00:14:44,446 Get down there. 125 00:14:44,470 --> 00:14:45,970 Take everyone with you. 126 00:14:47,140 --> 00:14:48,140 Now! 127 00:14:51,810 --> 00:14:52,810 What's he up to? 128 00:14:57,980 --> 00:14:59,270 Come on. Let's go! 129 00:15:05,240 --> 00:15:06,870 Trinity Lane. Go. 130 00:15:58,210 --> 00:16:00,146 Brooks last seen heading from Trinity Lane, 131 00:16:00,170 --> 00:16:01,920 north onto Smith street. 132 00:16:02,500 --> 00:16:05,380 Okay, he's on foot. He can't have gone far. We'll spread out. 133 00:16:29,990 --> 00:16:30,990 Nield. 134 00:16:31,700 --> 00:16:32,910 Do you see that? 135 00:16:35,580 --> 00:16:36,920 Operating glitch. 136 00:16:39,170 --> 00:16:40,147 Shit. 137 00:16:40,171 --> 00:16:41,760 She's infiltrating the system. 138 00:16:47,260 --> 00:16:49,906 Look, there's protocols. We're drilled for this. 139 00:16:49,930 --> 00:16:51,696 No. Not for this. 140 00:16:51,720 --> 00:16:54,326 This prime finder can break through any computer system. 141 00:16:54,350 --> 00:16:56,917 All we can do now is find them. And fast. 142 00:16:56,941 --> 00:16:58,100 She's... 143 00:16:59,230 --> 00:17:02,190 Jesus. She's decrypting the entire system. 144 00:17:02,860 --> 00:17:04,546 She's taking the axiorn project. 145 00:17:04,570 --> 00:17:06,177 Emails, surveillance. Everything. 146 00:17:06,201 --> 00:17:07,216 Damn it. 147 00:17:07,240 --> 00:17:08,716 Trace the attack back to its source. 148 00:17:08,740 --> 00:17:10,780 Let me see if I can get a location for her. 149 00:17:17,750 --> 00:17:19,147 She's sending our data someplace. 150 00:17:19,171 --> 00:17:20,620 Where are you? Come on. 151 00:17:21,540 --> 00:17:24,396 Look. I've got her. She's here. 152 00:17:24,420 --> 00:17:26,646 - Did you get her cell phone? - No. 153 00:17:26,670 --> 00:17:28,066 She's not on her cell. 154 00:17:28,090 --> 00:17:29,680 She's in Darnell college. 155 00:17:30,930 --> 00:17:33,100 She's hiding behind the college security system. 156 00:17:46,190 --> 00:17:48,336 - Kill the kaplar data center. - I can't get in. 157 00:17:48,360 --> 00:17:50,030 She's completely locked us out. 158 00:17:54,740 --> 00:17:57,580 Signal picked up at Darnell college. Get over there. Now. 159 00:18:10,130 --> 00:18:13,446 Right, ladies and gentlemen, step in line for the tour of Darnell college. 160 00:18:13,470 --> 00:18:14,560 This way. 161 00:18:23,440 --> 00:18:25,836 All right, I'm in. Where is she? 162 00:18:25,860 --> 00:18:27,530 The signal's not very clear. 163 00:18:28,030 --> 00:18:30,546 Hold on. Got it. 164 00:18:30,570 --> 00:18:31,780 Steer me. 165 00:18:41,040 --> 00:18:42,040 Come on. 166 00:18:47,090 --> 00:18:48,300 You're close. 167 00:18:52,170 --> 00:18:54,260 She's right there. Can you see her? 168 00:19:03,020 --> 00:19:04,270 You got her? 169 00:19:05,480 --> 00:19:06,586 Jane? 170 00:19:06,610 --> 00:19:07,860 Clean house. 171 00:19:32,800 --> 00:19:35,340 Right. We've gotta quit the office. Now. 172 00:19:36,180 --> 00:19:38,520 Clear out everything. You know the protocol. 173 00:20:46,660 --> 00:20:48,870 Doesn't look like much, does it? 174 00:20:50,920 --> 00:20:54,920 Except it was enough to bring your entire house crashing down. 175 00:20:56,590 --> 00:20:58,736 Everything's been sent off to fort Meade. 176 00:20:58,760 --> 00:21:01,156 Everything handed over on a silver platter 177 00:21:01,180 --> 00:21:03,286 to all of the NSA analysts. 178 00:21:03,310 --> 00:21:05,230 Everything axiorn has ever done. 179 00:21:06,060 --> 00:21:09,480 The hits, the deaths, suicides, all of it. 180 00:21:12,560 --> 00:21:16,756 You know what hurts is how you of all people 181 00:21:16,780 --> 00:21:18,926 Jane, don't make it about us. 182 00:21:18,950 --> 00:21:20,660 It's about accountability. 183 00:21:21,370 --> 00:21:24,306 And you think me going to prison is gonna fix anything? 184 00:21:24,330 --> 00:21:25,960 Well, it might make me feel better. 185 00:21:28,540 --> 00:21:30,040 It'll make you feel better. 186 00:21:32,040 --> 00:21:33,120 And then what? 187 00:21:35,500 --> 00:21:37,340 You think axiorn is finished? 188 00:21:38,420 --> 00:21:39,856 They have all the money. 189 00:21:39,880 --> 00:21:41,170 They are the money. 190 00:21:42,340 --> 00:21:43,696 And you know what? 191 00:21:43,720 --> 00:21:45,720 Nobody likes a whistleblower. 192 00:21:47,930 --> 00:21:49,100 And believe it or not, 193 00:21:50,060 --> 00:21:53,086 you... your life is precious to me. 194 00:21:53,110 --> 00:21:54,700 Because you think you own it? 195 00:21:55,770 --> 00:21:57,520 - 'Cause you gave it back? - What? 196 00:21:58,030 --> 00:22:01,240 That's not happiness, Jane. It's not justice either. 197 00:22:01,910 --> 00:22:02,966 I took someone's life. 198 00:22:02,990 --> 00:22:05,136 So you're owed a little righteous suffering? 199 00:22:05,160 --> 00:22:07,160 Yes! Something. 200 00:22:12,330 --> 00:22:13,580 That thing. 201 00:22:14,630 --> 00:22:16,470 That phone you have in your pocket. 202 00:22:18,550 --> 00:22:19,970 You know what it can do. 203 00:22:21,340 --> 00:22:23,760 Do you understand the chaos that's coming? 204 00:22:24,800 --> 00:22:26,026 And what about Edward Brooks? 205 00:22:26,050 --> 00:22:28,536 - He's fine. - He's not fine. 206 00:22:28,560 --> 00:22:29,662 He's a fugitive. 207 00:22:29,686 --> 00:22:32,166 And he will be for the rest of his life. 208 00:22:32,190 --> 00:22:34,110 You made him that, taylah. 209 00:22:34,770 --> 00:22:37,440 He's another body that you just stepped over. 210 00:22:45,910 --> 00:22:47,330 People like you and me... 211 00:22:49,910 --> 00:22:53,540 We're not free to do what we want. 212 00:22:55,420 --> 00:22:59,970 And sometimes we have to do brutal things. 213 00:23:00,710 --> 00:23:05,670 All we can do is pray to god that the people we love never find out. 214 00:23:09,600 --> 00:23:10,600 I did. 215 00:23:13,390 --> 00:23:15,020 I did find out about you, Jane. 216 00:23:18,610 --> 00:23:20,610 Well, I love you. I do. 217 00:23:23,610 --> 00:23:24,610 And I forgive you. 218 00:23:28,530 --> 00:23:31,160 I don't want your forgiveness. 219 00:23:32,120 --> 00:23:33,370 I don't need it. 220 00:24:19,210 --> 00:24:20,210 Hi. 221 00:24:21,090 --> 00:24:22,686 - Sorry. - Ed. 222 00:24:22,710 --> 00:24:25,210 - Jesus. - Didn't mean to scare you. 223 00:24:26,970 --> 00:24:30,560 How are you? I've been worried sick. 224 00:24:36,270 --> 00:24:38,230 Did you make it to the orléans archive? 225 00:24:42,900 --> 00:24:43,900 I found it. 226 00:24:47,400 --> 00:24:49,190 Our missing piece. I found it. 227 00:24:50,870 --> 00:24:51,870 So? 228 00:24:53,790 --> 00:24:55,080 You got everything you wanted. 229 00:25:02,130 --> 00:25:03,340 Back in Baghdad, 230 00:25:04,340 --> 00:25:08,430 in the hotel, you said you needed to know how Robert died. 231 00:25:10,970 --> 00:25:12,180 Do you still wanna know? 232 00:25:14,100 --> 00:25:15,100 Yes. 233 00:25:20,850 --> 00:25:22,480 Their name is axiorn. 234 00:25:24,690 --> 00:25:26,690 It's a private security company. 235 00:25:27,690 --> 00:25:31,900 Mercenaries in the pockets of a number of banks. 236 00:25:34,620 --> 00:25:35,870 It's the maths. 237 00:25:37,960 --> 00:25:40,340 The prime finder, that's what they're scared of. 238 00:25:41,420 --> 00:25:43,420 Opening up the floodgates. 239 00:25:44,340 --> 00:25:47,130 All that stuff they want locked down. 240 00:25:49,170 --> 00:25:52,970 I mean, it goes back years. 241 00:25:53,800 --> 00:25:55,010 Decades. 242 00:25:56,810 --> 00:25:58,440 Suppressing, killing. 243 00:25:59,270 --> 00:26:01,496 Killing safiya, killing Robert. 244 00:26:01,520 --> 00:26:03,110 - Killing anyone... - all right. 245 00:26:06,650 --> 00:26:08,360 He died trying to protect me. 246 00:26:24,250 --> 00:26:27,340 We weren't perfect. But I do miss him. 247 00:26:48,940 --> 00:26:49,940 It's... 248 00:26:50,820 --> 00:26:52,626 - James. - Caught you at a bad time? 249 00:26:52,650 --> 00:26:53,716 No, it's fine. 250 00:26:53,740 --> 00:26:58,330 It's just that I'm rather concerned about Edward Brooks. 251 00:26:59,370 --> 00:27:00,516 Why? 252 00:27:00,540 --> 00:27:04,686 Well, we've had the police here, in college, wanting to speak to him. 253 00:27:04,710 --> 00:27:07,000 Apparently it's all very urgent. 254 00:27:07,670 --> 00:27:12,720 I do want to help, so if you've any idea where he might be found... 255 00:27:14,010 --> 00:27:17,560 He's... well, as a matter of fact, he's here with me. 256 00:27:18,430 --> 00:27:23,520 Well, in that case, I don't suppose you could send him my way? 257 00:27:33,150 --> 00:27:35,150 I shouldn't be here. Everyone's looking for me. 258 00:27:35,740 --> 00:27:38,950 It's fine. James will know what to do. 259 00:27:44,210 --> 00:27:45,960 Mr. Brooks. 260 00:27:47,420 --> 00:27:48,840 The man of the hour. 261 00:27:50,960 --> 00:27:56,130 Andrea, thanks for faithfully delivering him safe and sound. 262 00:27:57,340 --> 00:28:01,996 Shall I... could you step out for a minute? 263 00:28:02,020 --> 00:28:04,372 And then we'll all meet together and have a drink, okay? 264 00:28:04,396 --> 00:28:06,680 - Okay. Sure. - I want to talk to him. Thank you. 265 00:28:10,480 --> 00:28:11,480 Please. 266 00:28:23,790 --> 00:28:25,880 So, bit of a day, I gather. 267 00:28:28,170 --> 00:28:33,470 And now we have police officers buzzing around college, would you believe? 268 00:28:38,510 --> 00:28:40,510 I know what this is about. 269 00:28:41,810 --> 00:28:42,900 Professor Osborne. 270 00:28:45,680 --> 00:28:48,876 Whatever's happened, none of this is your fault. 271 00:28:48,900 --> 00:28:50,990 It is. 272 00:28:56,990 --> 00:28:57,990 Do you hear that? 273 00:29:00,700 --> 00:29:01,830 That's our blackbird. 274 00:29:06,160 --> 00:29:08,000 Yes. It was always Cambridge for me. 275 00:29:08,710 --> 00:29:12,266 Stanford was and remains a hive of excellence, 276 00:29:12,290 --> 00:29:14,960 but it's the presence of the past. 277 00:29:15,510 --> 00:29:21,470 The direct plumb line from Newton to Alan turing to Stephen Hawking. 278 00:29:23,890 --> 00:29:24,970 And now, Edward... 279 00:29:27,600 --> 00:29:28,600 To you. 280 00:29:33,190 --> 00:29:36,110 The twin prime conjecture. 281 00:29:37,650 --> 00:29:39,070 Fascinating field. 282 00:29:43,660 --> 00:29:44,910 Word gets around. 283 00:29:47,120 --> 00:29:48,540 You're a mathematician? 284 00:29:50,210 --> 00:29:52,976 Well, I cut my teeth on computer science. 285 00:29:53,000 --> 00:29:55,500 I did my master's at Stanford. 286 00:29:58,170 --> 00:30:00,316 I was part of the research group 287 00:30:00,340 --> 00:30:04,720 that invented public key cryptography. 288 00:30:06,810 --> 00:30:07,826 I didn't know. 289 00:30:07,850 --> 00:30:10,940 Well, no reason why you would. 290 00:30:13,190 --> 00:30:16,360 A general formula for primes. 291 00:30:19,030 --> 00:30:22,530 Funny. Your greatest achievement might be the thing that destroys mine. 292 00:30:26,740 --> 00:30:28,240 How far have you got with it? 293 00:30:30,460 --> 00:30:31,500 I've solved it. 294 00:30:38,010 --> 00:30:39,010 Solved it. 295 00:30:44,180 --> 00:30:47,020 Edward. What age are you now? 296 00:30:48,720 --> 00:30:52,060 Twenty-six. My god. 297 00:30:54,980 --> 00:30:56,900 Almost the same age I was. 298 00:30:58,900 --> 00:31:00,280 A kindred spirit. 299 00:31:01,950 --> 00:31:03,160 Do you feel it? 300 00:31:05,660 --> 00:31:07,080 The hand of history? 301 00:31:12,290 --> 00:31:13,790 Strange, the fear. 302 00:31:15,330 --> 00:31:18,420 The hair rising on the back of your neck. 303 00:31:19,340 --> 00:31:20,840 Nobody expects that. 304 00:31:23,180 --> 00:31:24,180 What now? 305 00:31:39,320 --> 00:31:40,506 Come. 306 00:31:40,530 --> 00:31:42,160 I can help you with that. 307 00:31:57,000 --> 00:31:58,000 Hello? 308 00:31:59,500 --> 00:32:00,500 Ed? 309 00:32:18,360 --> 00:32:19,440 Shit. 310 00:32:31,330 --> 00:32:33,432 - Hello? - Hey, Andrea, it's taylah. 311 00:32:33,456 --> 00:32:35,540 I'm in Cambridge. I can't find ed. Is he with you? 312 00:32:36,040 --> 00:32:38,186 No, I just left him with the master of college. 313 00:32:38,210 --> 00:32:39,300 He's fine. 314 00:32:40,040 --> 00:32:42,526 Listen, I can meet you there and take you to him if you like? 315 00:32:42,550 --> 00:32:45,800 - Yeah, sure. - Yeah? Okay. See you there. 316 00:33:29,550 --> 00:33:32,390 This feel like a place you could work in? 317 00:33:34,720 --> 00:33:36,350 This was Robert's office. 318 00:33:37,560 --> 00:33:39,060 He was a professor. 319 00:33:40,350 --> 00:33:42,036 As would you be. 320 00:33:42,060 --> 00:33:44,230 I know you don't care for all that. 321 00:33:45,980 --> 00:33:47,940 But I'm offering you a sanctuary. 322 00:33:52,700 --> 00:33:54,080 The proof. 323 00:33:56,330 --> 00:33:58,830 In what form does it exist? 324 00:33:59,710 --> 00:34:01,090 I wrote it down in my notebook. 325 00:34:06,090 --> 00:34:07,130 May I see it? 326 00:34:09,510 --> 00:34:10,510 I burnt it. 327 00:34:15,560 --> 00:34:16,560 You burnt it? 328 00:34:17,140 --> 00:34:19,060 Yes. I don't want it anymore. 329 00:34:21,190 --> 00:34:23,110 But it's still in your head. 330 00:34:24,270 --> 00:34:25,350 Isn't it? 331 00:34:33,910 --> 00:34:35,330 You need protection. 332 00:34:37,490 --> 00:34:38,530 You need a home. 333 00:34:40,000 --> 00:34:41,000 Here. 334 00:34:42,040 --> 00:34:45,540 Alongside Newton and ramanujan. 335 00:34:48,460 --> 00:34:51,090 You told me it was your dream, Edward. 336 00:34:56,050 --> 00:34:57,050 Akram! 337 00:34:59,310 --> 00:35:00,310 Andrea. 338 00:35:02,600 --> 00:35:05,100 - You remember my daughter, afina. - Hi. 339 00:35:05,690 --> 00:35:06,690 Hi. 340 00:35:09,280 --> 00:35:10,910 So what brings you to Cambridge? 341 00:35:11,450 --> 00:35:13,836 I got a place. 342 00:35:13,860 --> 00:35:17,070 I'm starting in September. I got a full scholarship. 343 00:35:19,080 --> 00:35:21,806 Really? Which college? 344 00:35:21,830 --> 00:35:23,120 Darnell. 345 00:35:24,170 --> 00:35:25,670 Darnell. My college. 346 00:35:27,840 --> 00:35:30,300 I thought all of the scholarships had been allocated. 347 00:35:31,630 --> 00:35:33,356 You must have friends in high places. 348 00:35:33,380 --> 00:35:35,090 Well, it wasn't quite like that. 349 00:35:40,850 --> 00:35:43,270 Only one person has the authority to do that. 350 00:35:48,070 --> 00:35:49,070 Andrea. 351 00:35:50,570 --> 00:35:51,570 Andrea! 352 00:35:54,240 --> 00:35:55,870 What you have to understand 353 00:35:56,700 --> 00:36:02,040 is that the code that I pioneered was meant to keep people safe. 354 00:36:04,040 --> 00:36:05,880 To give them personal security. 355 00:36:08,090 --> 00:36:11,356 But then big governments got hold of it 356 00:36:11,380 --> 00:36:14,800 and it became a tool to hide their worst crimes. 357 00:36:15,970 --> 00:36:17,600 That was never the intention. 358 00:36:20,350 --> 00:36:24,150 And I have to make amends for my part in it. 359 00:36:25,060 --> 00:36:26,810 Post 9/11, 360 00:36:27,480 --> 00:36:29,770 do you know how many people were tortured? 361 00:36:30,940 --> 00:36:32,190 Beaten? 362 00:36:33,440 --> 00:36:35,650 All hidden by my code. 363 00:36:42,160 --> 00:36:43,660 That's my monster. 364 00:36:46,580 --> 00:36:49,330 That's the guilt that I live with. 365 00:36:55,340 --> 00:36:57,840 But your work, your proof... 366 00:37:00,350 --> 00:37:02,190 Could redress the balance. 367 00:37:06,980 --> 00:37:07,980 Walk with me. 368 00:37:15,820 --> 00:37:17,030 - Hi. - Hey. 369 00:37:20,950 --> 00:37:23,676 Okay, we need to find alderman, the master of college. 370 00:37:23,700 --> 00:37:25,740 - What? - He's the missing piece. 371 00:37:26,370 --> 00:37:30,330 He's a very dangerous man, taylah, and I just led ed straight to him. 372 00:37:31,790 --> 00:37:34,026 All those years taking me under his wing, 373 00:37:34,050 --> 00:37:37,760 encouraging me to keep looking for bayt al-hikma like some useful idiot. 374 00:37:38,800 --> 00:37:40,220 Every weapons trade, 375 00:37:41,850 --> 00:37:43,520 every classified secret, 376 00:37:44,770 --> 00:37:46,150 every evil. 377 00:37:46,810 --> 00:37:47,850 You name it. 378 00:37:48,810 --> 00:37:50,520 We can rip away the curtain. 379 00:37:51,560 --> 00:37:53,400 Drag it all into the light. 380 00:37:55,070 --> 00:37:56,570 An end to tyranny. 381 00:37:58,780 --> 00:37:59,780 A new beginning. 382 00:38:04,240 --> 00:38:06,580 Just think of all the good you can do. 383 00:38:08,000 --> 00:38:09,420 In the right hands. 384 00:38:14,210 --> 00:38:16,250 You're talking about rebuilding the system. 385 00:38:16,760 --> 00:38:18,390 Crashing the digital world. 386 00:38:19,630 --> 00:38:20,880 First strike. 387 00:38:21,760 --> 00:38:23,196 We're going to send a message, 388 00:38:23,220 --> 00:38:26,906 from right here in Cambridge to our friends in wall street. 389 00:38:26,930 --> 00:38:29,930 Use your theorem to break the banks. 390 00:38:31,270 --> 00:38:33,270 Unlock their digital vaults. 391 00:38:34,360 --> 00:38:35,610 They'll all be destroyed. 392 00:38:37,690 --> 00:38:40,730 Let me tell you, that's just the start. 393 00:38:43,450 --> 00:38:46,540 What about the fallout? The cost to the rest of us? 394 00:38:47,620 --> 00:38:50,620 Revolution doesn't come gently. 395 00:38:51,500 --> 00:38:55,250 You need to put a hammer to our world. 396 00:38:57,460 --> 00:38:59,750 There's going to be collateral damage. 397 00:39:02,470 --> 00:39:03,680 You mean Baghdad. 398 00:39:05,800 --> 00:39:08,430 Setting off an explosion in a busy street. 399 00:39:10,640 --> 00:39:11,640 That was you? 400 00:39:12,190 --> 00:39:16,690 Those people died in the name of progress. 401 00:39:17,320 --> 00:39:18,320 Okay. 402 00:39:20,030 --> 00:39:22,256 How many more lives is this gonna cost? 403 00:39:22,280 --> 00:39:23,450 Ed. 404 00:39:24,030 --> 00:39:27,950 Your friends, your colleagues all died. 405 00:39:29,490 --> 00:39:32,846 Because of people like you trying to unleash my theorem. 406 00:39:32,870 --> 00:39:36,370 No. You must never blame the science. 407 00:39:40,670 --> 00:39:41,880 I used to think that. 408 00:39:43,760 --> 00:39:46,116 I was the same once. 409 00:39:46,140 --> 00:39:50,230 Now you've solved it, it's only a matter of time before it's out. 410 00:39:52,640 --> 00:39:55,416 The world will change, Edward. 411 00:39:55,440 --> 00:39:57,746 We are the authors. 412 00:39:57,770 --> 00:40:02,070 The people who make the first footprints. 413 00:40:11,580 --> 00:40:13,210 What about professor Osborne? 414 00:40:16,830 --> 00:40:19,580 He's out of his misery, poor fellow. 415 00:40:20,750 --> 00:40:23,646 But he nurtured you for greatness. 416 00:40:23,670 --> 00:40:27,170 And now that it's here, your time, 417 00:40:29,140 --> 00:40:30,560 he would be happy. 418 00:40:33,020 --> 00:40:34,650 He would be proud. 419 00:40:39,570 --> 00:40:42,240 I watched my friend get killed right in front of me. 420 00:40:44,530 --> 00:40:46,950 My theorem is a poison. 421 00:40:48,030 --> 00:40:50,240 It makes people tear each other apart. 422 00:40:52,120 --> 00:40:53,330 That's my legacy. 423 00:40:54,660 --> 00:40:57,726 The thing that will be carved next to my name. 424 00:40:57,750 --> 00:40:59,960 - No. - The destroyer of worlds. 425 00:41:03,760 --> 00:41:04,890 I have nothing else. 426 00:41:06,340 --> 00:41:07,430 Nothing. 427 00:41:09,220 --> 00:41:14,980 This was... this is the only thing that I will leave behind. 428 00:41:17,980 --> 00:41:21,626 I convinced myself that it was pure. 429 00:41:21,650 --> 00:41:22,820 But... 430 00:41:27,150 --> 00:41:28,780 There's always a human cost. 431 00:41:32,580 --> 00:41:35,540 There is no bad science unless we make it. 432 00:41:38,830 --> 00:41:40,330 It's out there now. 433 00:41:44,090 --> 00:41:45,300 I told you. 434 00:41:46,760 --> 00:41:51,810 And if it isn't you, then I'll find someone else. 435 00:41:53,720 --> 00:41:55,560 Another young mind. 436 00:41:58,850 --> 00:42:00,690 You won't stop, will you? 437 00:42:03,520 --> 00:42:04,520 No. 438 00:42:33,300 --> 00:42:34,300 Ed. 439 00:42:37,390 --> 00:42:38,600 Ed. 440 00:42:42,190 --> 00:42:44,690 Ed, are you okay? 441 00:42:45,190 --> 00:42:46,780 Ed, are you okay? 442 00:42:53,620 --> 00:42:54,960 My god. 443 00:42:56,990 --> 00:43:00,240 Hey. Edward. 444 00:43:04,590 --> 00:43:07,152 Taylah, get him out of here. Take my car. 445 00:43:07,176 --> 00:43:09,066 Free school Lane. Take my keys. 446 00:43:09,090 --> 00:43:11,090 - Go! - Okay. Quick. Let's go. 447 00:43:26,060 --> 00:43:28,060 Ed, what are you doing? We gotta go. Come on! 448 00:43:29,400 --> 00:43:30,400 Let's go! Get in! 449 00:44:30,500 --> 00:44:31,500 I should've... 450 00:44:33,590 --> 00:44:34,590 What? 451 00:44:37,390 --> 00:44:38,430 I should've... 452 00:44:39,010 --> 00:44:40,100 No. Stop. 453 00:44:44,480 --> 00:44:45,610 The proof is in my head. 454 00:44:47,520 --> 00:44:48,626 I'm the weapon. 455 00:44:48,650 --> 00:44:50,110 Okay. 456 00:44:58,820 --> 00:45:00,450 Then use it for something good. 457 00:45:07,370 --> 00:45:09,056 Okay. You're gonna have to go. 458 00:45:09,080 --> 00:45:11,170 - What? - Look, you're a target. 459 00:45:12,300 --> 00:45:14,066 These people are gonna come looking for you 460 00:45:14,090 --> 00:45:15,890 and if they find you, they're gonna hurt you. 461 00:45:16,970 --> 00:45:19,010 They'll use you, ed. 462 00:45:19,850 --> 00:45:21,060 You're not safe anymore. 463 00:45:22,600 --> 00:45:26,230 Sometimes things happen and we have to make sacrifices. 464 00:45:28,690 --> 00:45:30,900 And somebody's gonna have to be held accountable. 465 00:45:37,530 --> 00:45:38,870 What are you gonna tell them? 466 00:45:39,870 --> 00:45:40,870 Something. 467 00:45:43,080 --> 00:45:45,926 Something not involving you. 468 00:45:45,950 --> 00:45:47,136 Taylah... 469 00:45:47,160 --> 00:45:49,870 Look, ed, someone I loved died because of me. 470 00:45:51,750 --> 00:45:52,960 And I never paid for it. 471 00:46:01,720 --> 00:46:03,970 Just don't let anyone tell you how to run your shit. 472 00:46:05,720 --> 00:46:06,956 Like you did. 473 00:46:06,980 --> 00:46:08,150 Like I did. 474 00:46:12,020 --> 00:46:13,020 But not anymore. 475 00:46:18,820 --> 00:46:20,780 Look, it doesn't matter if they take me. 476 00:46:21,570 --> 00:46:22,860 You've got the prime finder. 477 00:46:23,580 --> 00:46:24,870 It matters to me. 478 00:46:26,910 --> 00:46:28,120 You matter to me. 479 00:46:31,630 --> 00:46:32,710 More than this. 480 00:46:38,760 --> 00:46:40,260 Listen, just go. 481 00:46:41,970 --> 00:46:42,970 Go. 482 00:48:46,510 --> 00:48:50,156 Good morning. Following the recent unprecedented data leaks, 483 00:48:50,180 --> 00:48:53,656 the national security agency has launched an investigation 484 00:48:53,680 --> 00:48:55,430 into allegations of corruption. 485 00:48:56,020 --> 00:48:59,900 Several key projects have been closed down and senior personnel dismissed. 486 00:49:00,520 --> 00:49:02,206 We will also be cooperating fully 487 00:49:02,230 --> 00:49:04,360 with the senate select committee on intelligence. 488 00:49:04,900 --> 00:49:07,586 At the direction of the national security advisor, 489 00:49:07,610 --> 00:49:09,926 the NSA has promoted Andrew Carter 490 00:49:09,950 --> 00:49:12,330 to chief director of surveillance operations. 491 00:49:12,910 --> 00:49:14,886 He will be taking on full responsibility 492 00:49:14,910 --> 00:49:19,000 of the overall operational and strategic direction of the surveillance division. 493 00:49:19,790 --> 00:49:22,106 I will hand things over now to chief director Carter 494 00:49:22,130 --> 00:49:25,720 who will answer your questions after delivering some brief remarks. 495 00:49:28,260 --> 00:49:30,470 Mr. Carter, over here! Washington post. 496 00:49:32,760 --> 00:49:33,930 Good morning.