Ethan Winter, an analytical detective, partners with driven DI Lauren Bell. His deductive genius aids her murder squad, but he's haunted by an unsolved murder of someone close to him.

Nine short stories based on the true experiences of London Underground passengers: "Mr. Cool" (Amy Jenkins, dir.); "Horny" (Stephen Hopkins); "Grasshopper" (Menhaj Huda); "My Father the Liar" (Bob Hoskins); "Bone" (Ewan McGregor); "Mouth" (Armando Iannucci); "A Bird in the Hand" (Jude Law); "Rosebud" (Gaby Dellal); "Steal Away" (Charles McDougall)