Gibson arrives at the Annie Brawley crime scene and realises it is the work of the serial killer, while Burns and his team are still trying to piece together the events surrounding Olson's murder. Spector raises Sally Ann's suspicions when he asks her to provide him with an alibi and he decides to make one final play with Gibson that will bring the two hunters closer than either could have previously imagined
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 .