Shy and gentle Darren Sears was only eleven when his sister Jodie and six other girls disappeared, presumed murdered by notorious killer Alicia Duvall. Ten years later, Darren's mother, now sick with cancer, demands Alicia reveal where Jodie's remains are, but her plea ends in humiliation and failure. Desperate to alleviate his mum's heartbreak, Darren gets a job as a cleaner in the psychiatric hospital where Alicia is committed, hoping he can find out the truth. But trying to play a serial killer is a very dangerous game ...