Detective Superintendent Stella Gibson is brought in from the London Metropolitan Police to help catch the killer when a murder in Belfast remains unsolved.As Gibson travels across from London, we are introduced to the murderer himself; Paul Spector.
Elenco: Gillian Anderson , Jamie Dornan , John Lynch , Michael McElhatton , Niamh McGrady , Stuart Graham , Valene Kane , Emmett Scanlan , Krister Henriksson , Aisling Franciosi , Aidan McArdle , Richard Coyle , Ruth Bradley , Colin Morgan , Aisling Bea , Bronagh Waugh .