Seven days until the killer strikes again – but who is next?DCI Warren Jones is deep into the investigation into an apparent murder-suicide when another case is thrust onto his desk. Winnie Palmer, missing for two months, has been found dead, her body stripped and propped against a tree in the woods.Two cases are more than enough to handle – but things get even harder for the team when they realise the cases might be linked. And when a third suspicious death is added to the pile, it raises a horrible question. Is there a serial killer on the loose?With all the murders taking place on Sundays, it’s a race against time to find the killer before they strike again. As the days tick by Warren desperately searches for a link between the victims – but the only thing he knows for sure is that absolutely anyone could be next…