Rhymes and Crimes

When a serial killer emerges, it's a race against the clock to catch him before he claims his next victim.

When Amy and Ambrose are called to the scene of a murder victim who bears a striking resemblance to an existing case, they find themselves having to work with another station in an attempt to solve the crime.

But the more they uncover, the clearer it becomes that they're dealing with a serial killer with a particular set of motivations.

When it becomes clear that there's a chance to save ...