Rose's erratic behaviour raises questions for Edmunds. With the killer one step ahead, Baxter's plans to protect a victim go awry with devastating consequences and frustratingly they are forced to watch the Ragdoll killer's horrific plans play out.

Rose and the Ragdoll killer engage in a sadistic game of cat and mouse in which Rose is pushed to the edge. Baxter goes back to basics to try and track down the killer while Edmunds' piqued suspicions put her on the right track but also land her in grave danger.