Pell abducts and tortures Justin, who keeps himself alive by flattering the killer's vanity and manages to free himself and escape whilst Pell is out planning his climact ...

Alice is now in a mental institution and Luther, after a failed suicide attempt, returns to work having been cleared of killing Zoe. Assisted by the loyal Justin he joins ...

Things look bleak for Nick as he is interrogated by the murder squad but Kate and Steve, watching the interview, are inclined to believe in his innocence particularly whe ...

Hilton orders Ted to recuse the investigation into Roz, citing entrapment, and proposes shutting down AC 12. Ted is now convinced one of his team betrayed Kate with Jamie ...

The discovery of new forensic anomalies appears to provide AC-12 with a major breakthrough. Meanwhile, Nick Huntley comes under scrutiny. ...

Convinced that Roz is holding something back Steve persuades Ted, to Hilton's annoyance, to search her office. Evidence suggests Ifield was the serial killer but Steve is ...

Kate's interview with Michael Farmer exonerates him from one of the murders, the victim's remains being found in woodland, whilst Ted and Steve continue to question Roz, ...

When Hana Reznikova is kidnapped and taken to a house occupied by simple-minded young Michael Farmer inspector Roz Huntley arrests him, charging him also with the murders ...