Fisher, an ex-detective, decides to take one final case when a mysterious serial killer claims the lives of several young girls. Fisher, unable to find the culprit, turns to Osbourne, a writer who was once respected for his contributions to the field of criminology. Fisher begins to use Osbourne’s technique, which involves empathizing with serial killers; however, as the detective becomes increasingly engrossed in this method, things take a disturbing turn.

Lena lives a safe and happy life with her husband Alf and together they run a fish shop. No one who sees her can imagine what kind of hell she has gone through with her former husband Hannes. One day, her life turns upside down as a random meeting with Hannes leads to an emotional chaos for her. She thinks he has changed, but no one else wants to believe that Hannes is a new and better person. At the same time, Alf can only look at how his beloved Lena is drawn to Hannes who’s been hurting her so much before.