Stella interviews Annie, who cannot recall anything about her attacker. Later Stella and Burns revisit Annie's house where she is menaced by locals over her affair, now public, with Olson. Baby-sitter Katie tells Sally Ann that Spector assaulted her, causing Sally Ann to ring her husband in Scotland, to where he has fled, and told him to keep way from her and her family. Spector, however, returns to Belfast to stay in a guest house. He confronts Katie, who tells him she believes he is the killer but he denies it and leaves. Stella is anxious to interview Rose Stagg, Reed's friend who knew Spector as Peter but Rose's name is leaked to the press and Spector goes after her. Written by don @ minifie-1

Spector abducts Rose Stagg, bundling her into the boot of a car. Stella is concerned when Rose fails to arrive for her interview and goes to the Staggs' house where Rose's little girl tells her that a man called Peter was there the previous night. Having informed his unimpressed wife that he is back from Scotland Spector arranges to meet Katie who anticipates sex but he again menaces her to keep away from his family. As, in his role as a counsellor, he supports Annie - who is obviously unaware of who he is - Stella finds the scissors that killed Annie's brother, with Spector's prints on them. She is now certain that he is the serial killer, particularly after she gets a call from 'Peter' on Rose's phone. Written by don @ minifie-1

Stella tells her team that Spector is their prime suspect and has them interview Sally Anne. She is unable to alibi her husband for the Brawley murder and directs them to Katie, whose reaction makes Stella suspicious. Katie meets Spector, who persuades her that he is not the murderer but finds Stella superior and irritating and wants to upset her and a smitten Katie agrees to help him. Spector somehow manages to get into Stella's hotel room and finds her diary, in which he finds evidence that she is prone to nightmares in which Olson figures. Thus he gets Katie to send her an email depicting the painting 'The Nightmare.'. Written by don @ minifie-1

From the hotel's CCTV Stella realizes that Spector entered her room and knows she is on to him. He is due to see Annie again but Stella has the visit cancelled and moves Annie to another room, where she tells Stella she believes Spector to be the man who killed her brother. Stella is called away to see another body, meeting DS Tom Anderson, but the corpse in question is a suicide and not Rose Stagg. The police enter Spector's house whilst he and his wife - now temporarily together - are out but find nothing and are forced to leave after staging an accident. Spector is suspicious and, now increasingly vengeful and unbalanced, calls upon the gullible Katie to do something bad. Written by don @ minifie-1

Jim Burns visits an unfrocked paedophile, Father Jensen, in prison. Years ago he ran an orphanage attended by Spector, though then he was Peter Baldwin, later adopted by the Spectors, which was when his criminality began. The police arrest Katie at the hotel where Spector stays, after she has flushed evidence down the toilet. They also pick up Spector after he has been involved in an attempted abduction and shooting by James Tyler, whose wife left him after Spector counselled her. Sally Ann is also charged with perverting the course of justice by giving her husband an alibi on the night of the first murder. Stella is horrified to find that Spector has made a video of Rose Stagg begging him to release her and has him charged with murder and kidnap. Written by don @ minifie-1

With Spector in custody Stella locates his burnt out car and the house where Rose was imprisoned but there is no sign of Rose herself. Stella gets Tom Anderson to interview Katie, who blithely brags about her sexual relationship with Spector whilst Sally Ann inadvertently provides evidence of her husband's guilt. Spector is initially defiant and insolent in interview but Stella breaks down his defences by taking things to a personal level and drawing on his past. He claims superiority as manipulator of people but eventually confesses to the murders and reveals where he is holding Rose. At the same time the vengeful James Tyler is still out to get Spector for his perceived affair with his wife. The police find Rose still alive but Tyler has followed them and there is another shoot-out as he aims his gun at Spector. Written by don @ minifie-1