Denver Brady claims to be the most successful serial killer of our time - and that's precisely why you've never heard of him.

But with the publication of his manual for aspiring serial killers, How to Get Away With Murder, that's about to change.

When a copy is found at the home of a girl who was tragically murdered, DI Samantha Hansen is given the job of tracking down the elusive author.

As Denver and Sam's stories unfold and converge, it becomes clear that there's more to both than meets the eye. And once Denver's book goes viral, the pressure to find and bring him to justice brings Sam close to breaking point.

But who is hunting whom?