When a person is caught again trying to poison someone in the film team, the Åland Police believe that the case has been solved, but Hjerson is not satisfied.

A famous actor is shot with real bullets during a filming on Åland and dies.

The number of suspects is further limited when it turns out that the second murder also has connections to the book. Hidden motifs come to the surface and the noose is tightened, but the killer always seems to be one step ahead.

Murders happen according to the books of a crime writer.

Hjerson gets shot at, as he is on his way to a winter swim at the local beach.

Oscar finds an injured man, who is dressed as a chicken, on a snow-covered beach. The man is gone when Oscar returns after calling for help.

After Magnus is found dead, Hjerson and Klara have to rethink. At the same time, the suspicions against the others deepen. The ferry will soon arrive in Mariehamn and time to find the culprit is running out.

The famous murder investigator Sven Hjerson is on his way on the ferry to his hometown on Åland when a journalist is found murdered in his cabin. Hjerson takes on the case, closely followed by the stubborn TV producer Klara Sandberg whom he has just met.