When the skeleton of a young woman is found near a West Midlands motorway evidence suggests that it is that of teenager Molly James who went missing five years ago. Forensic psychologist Dr Kate Hanson & the Unsolved Crime Unit are called in to re-investigate Mollys case. The deeper they dig the dirtier the clues get & when a second set of remains is unearthed Kate suspects theyre looking for a Repeater: a killer who will adapt grow & not stop until they are caught. Will Dr Hanson manage to unravel the tangle of clues that the killer has left behind before he has a chance to take another innocent victim?