A gruesome discovery sets DI Baxter, DS Rose and DC Edmunds on the trail of the Ragdoll killer, who also lists six more people due to die; it's a race against time to find the victims and track down a killer before he strikes again.

With the Ragdoll killer proving unstoppable, the team hunts down the second victim on the list; when hazy memories from the past surface, Rose starts his own investigation into the case and his dubious interview tactics cause concern for Edmunds.