Overview: As Kari and family wrestle with devastating news, Heikkinen calls to ask for help with a kidnapping case, and Katia stands trial for attempted murder.
Overview: Over Niko's objections, Kari dives into a series of grisly crimes that yield more echoes of past cases. Janina grows frustrated with her father.
Overview: As the team races to track down potential victims, Kari scours the country for news of the killer's daughter. A disturbing video captures a new crime.
Overview: When a man is murdered inside his room at a retirement home, Kari and team question his three very different sons and his much younger girlfriend.
Overview: The week's events play out from a different angle, revealing new dynamics within the family. Meanwhile, Kari grapples with his own father issues.
Overview: After another key figure in the case is found dead, Kari revisits a suspicious tragedy in the family's past. Janina interrogates Jarkko on camera.
Overview: The ritualistic murder of a young swimming instructor draws the team to a conservative religious community teeming with secrets.
Overview: Shocking news and an unsettling encounter stoke tensions in the community. Kari leaps into action after finding Janina's diary.
Overview: A mysterious outbreak leaves Kari locked down in a hospital ward — just as he and the team brace for the return of Lasse Maasalo.
Overview: With the city in crisis, Anneli faces an ultimatum, and Kari must decide just how far he's willing to go to stop his nemesis.