Five Finger Exercise Part 1. A double murder triggers an investigation that takes Kari Sorjonen across the border. Sorjonen notices that the past is not where he once left it. Season 2 begins.
The Rite of Spring Part 1. A foetus preserved in formaldehyde is found in the home of daycare centre manager Susanna Lehto. Sorjonen's investigations reveal a web of silence related to children.
The Rite of Spring Part 2. After the daycare centre manager's past is out in the open, Sorjonen is the only one who believes the truth is yet to be found.
Cat's Cradle Part 1. Sorjonen takes a leave of absence because of his wife's condition. In the middle of the day, a young man is shot at Lappeenranta's Sand Castle. Niko Uusitalo becomes the detective in charge.
Cat's Cradle Part 2. The rooftop shooter case comes near the Sorjonen family. Although the case and the family situation mess with Sorjonen's head, he promises to catch the perpetrator quickly.
The Bloodmaid Part 1. A body is found in Laura Kantola's student apartment, which triggers an investigation into an old missing person case. Sorjonen is facing what seems to be the most complicated case in the history of SECRI.
The Bloodmaid Part 2. There are two bodies already, and neither of them is the missing woman. In addition, Sorjonen finds out something he does not even dare tell his colleagues.
Without a Shadow Part 1. Lawyer Seppo Laakkonen's sons Valdek and Nikolai come to Sorjonen's home and ask him to look for their missing mother and stepsister. As the traces lead back to Russia, an old case is reopened.
