A senseless vicious murder in West London starts a reign of horrific attacks on young women, leaving the police clueless as to the motive behind them. As a pattern emerges, Detectives Andy Martins and Charlotte Campbell begin to piece together a profile of the killer. The killings lead them to a suspect who has a unrelenting motive for killing these women. Despite the killer leaving them clues, they are running out of time to stop him. Can they get a step ahead before his final act that will end his mission?