Investigator Jan and profiler Louise constantly move around in the thrilling periphery of a murderer's view as they link a series of killings.

Bjørn investigates the killing of his daughter. People around him believe she might have committed suicide, but he doesn't accept that. Both the stakes and the suspense rise relentlessly as Bjørn inches closer to the truth.

The dangerous paranoia lurking beneath the seemingly idyllic existence of a family of hermits living on a remote island begins to come to the fore when their daughter starts to question her parents' worldview.