Some victims leave clues to their killers... A Hidden ClueA victim reaches out from the grave to the SIO who will investigate her death. This not what DCI Kate Daniels expects to find concealed at a crime scene. A Desperate PleaThe note contains a last request: 'Find Aaron'. But is Kate searching for a potential second victim, or a killer?The Countdown is on... Following the clues, Kate becomes the obsession of her adversary who will stop at nothing to get what he wants. Will she find Aaron before he does?