Katie Shaw always looked after her younger brother Chris - until she left him alone one carefree afternoon and he was savagely attacked. He hasn't spoken to her since.
Now a mother, Katie vows not to repeat her mistakes. Carelessness cost her one family, and she won't let it destroy another.
Then she receives a call from the police.
They're investigating a particularly brutal murder, in a half-ruined house that once belonged to a notorious local serial killer. The case has thrown up many unsettling questions, but only one prime suspect: Chris.