When a severed head is displayed on a stake in the quiet town of Larvik, Police Inspector William Wisting is sent to investigate. This is a calling card from a dangerous killer. And it isn't long before another body is found. As the media closes in on the biggest story of the year, the truth is slowly uncovered as Wisting discovers a criminal network has lodged itself deep in the roots of the city. Their leader - known only as The Night Man - holds the city in a vice-like grip and it's up to Wisting to hunt down this dangerous and elusive man. But it's all too easy for the hunter to become the prey. And it isn't long before the case comes closer to home than Wisting ever thought possible . . . Can he find The Night Man before it's too late?