A brutal murder rocks Bradford's underworld, inflaming tensions between its rival gangs. Harry's search for the killer leads him to the victim's ex-boyfriend, discovering details of her secret life. Meanwhile, Saima makes a risky attempt to mend family ties.

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.