Sorjonen's worlds collide when Janina wakes up spattered in blood and finds herself at the center of a murder investigation.

Rooftop killer's case comes near Sorjonen's family. Despite of his dire family situation, Kari promises to catch the killer fast.

Sons of lawyer Laakkonen, Valdek and Nikolai, come to Sorjonen to find their missing mother and step daughter. Old case is re-opened after trace leads back to Russia.

Both families, Sorjonen and Jaakkola, have to admit that the past isn't where they left it.

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.

Lena tracks down a crucial clue to the kidnapper's identity. Johanna's secrets catch up with her. Degerman reaches out to Paulina.

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.

A mysterious outbreak leaves Kari locked down in a hospital ward — just as he and the team brace for the return of Lasse Maasalo.

Shocking news and an unsettling encounter stoke tensions in the community. Kari leaps into action after finding Janina's diary.

A woman found alive in a fish trap at the bottom of the lake presents an unsettling new challenge for the team. A politician asks Taina for a favor.

Called to the scene of a deadly crash, Sorjonen tries to connect the dots between Elina and the stolen car. Pauliina moves ahead with her secret plan.

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.

The ritualistic murder of a young swimming instructor draws the team to a conservative religious community teeming with secrets.

While Sorjonen and team inspiect the new crime scene, Katia's mother searches for clues at the resort. A reporter begins digging into Sorjonen's past.

As Sorjonen investigates the suspicious death of a drug squad officer, Janina is drawn into a circle of teens planning an epic, drug-fueled party.

A second death linked to the pills prompts Sorjonen to travel to St. Petersburg with a new team member. At the party, an uncomfortable scene unfolds.

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.

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.

The week's events play out from a different angle, revealing new dynamics within the family. Meanwhile, Kari grapples with his own father issues.

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.

Lena goes undercover at a fight club, straining her relation ship with Katia. A colleague slips Sorjonen troubling information about their target.

Desperate to clear Janina's name, Sorjonen races to piece together fragments from different crime scenes and catch the suspected killer off guard

Sorjonen needs to learn more about Lena's past in order to catch a murderer who has nothing to lose.

A fetus preserved in formaline is found in head of day care center Susanna Lehto's home. Kari's investigations reveal hidden past regarding children.

After learning about Susanna Lehto's past, Sorjonen is the only one who doesn't think the case is solved.