As Bradford reels from the nightclub attack, the killer ups the ante with a high-profile kidnapping. The case explodes nationally, and the UK Crime Agency descends on Bradford, putting Harry and Conway's roles into question.

The killer's game turns personal when a tense phone call at police headquarters forces Harry to relive a trauma from his past. Could the recent crimes be connected? Meanwhile, a chance discovery prompts Saima to question what she knows about Harry and her brother.

With Harry hospitalised after a life-threatening attack, the killer contacts the police with an offer. Meanwhile, Riaz becomes a target as Vasil seeks revenge. When Saima decides to spy on her brother, she uncovers far more than she bargained for.