When Kathy Wylde sets out to take revenge on the gang of youths who kicked her son, Jack, to death, she finds herself on the wrong side of a vicious and dangerous criminal...As Detective Inspector Matt Turrell of the Warwickshire Police investigates the first gang member's death, another is brutally murdered. DI Turrell and his team must move fast to protect anyone connected to Jack's murder - including Kathy. Unaware that she is now hunted and in grave danger, Kathy selects Harry as her next victim but soon finds herself growing fond of the young man. With the killer drawing close, will the unlikely pair be able to work together in an attempt to survive? Can DI Turrell stop the killer before he strikes again? Or will he have to sacrifice himself to save them?