Tarmo and Berglund team up and find vital information, which they show Hautalehto. The murderer has taken hostages for a specific reason; can Hautalehto find them in time to prevent more killing?

The police receive new information about drownings; the undertaker receives unexpected guests at the Christmas table and the Christmas dinner is fatally interrupted.

KRP and Hautalehto join forces to get to the bottom of what happened. Hautalehto underestimates the power of the killer's mad thirst for revenge and puts the innocent man in mortal danger.

The media and the top management of the police demand results; Hautalehto secretly follows a different line of investigation; Hautalehto's budding love suffers from work obligations.

The police find a dummy of Hautalehto in a grave. Who's threatening him? Newly released Suvi seems to be under the spell of the strange art cult leader, the Master.

The Central Criminal Police is investigating the cases, and Hautalehto and the entire police force in Borgå are suspected of protecting their own.

An unethical psychiatrist is found in a hot tub. And he’s been there for three days. Details about the death make the police suspicious. Meanwhile, art forger Suvi Vettenranta is released from prison.

A new murder makes Hautalehto focus on the investigation; suspicions about a serial killer arise; Hautalehdo's love life takes a new turn.