While juggling concerns about his family's future and a spate of new crimes, Kari squares off against an adversary who's been studying his past cases.

While Kari obsesses over a string of twisted murders, Lena contends with ghosts from her old life in Russia -- and both find their families in danger.

A gifted detective takes a job in a small town so he can spend more time with his family. But he's soon drawn into a web of disturbing murder cases.