Gillian Anderson and Jamie Dornan return in the dark thriller about a game of cat and mouse between a senior detective and a serial killer. Stella Gibson has finally arrested Paul Spector, but he has been shot by jealous husband James Tyler, leaving the staff at Belfast General Hospital battling to save his life. As the shooting hits the news, the powers-that-be question Gibson’s handling of the case, while Spector’s young partner-in-crime Katie plots to help him. With Richard Coyle, Aisling Franciosi and Aisling Bea.