A young gang member is found dead, and the Beck group's investigation indicates that a drug network is behind it. Klas Fredén has been monitoring the network for a long time, and the Beck group - led by Alex Beijer - is most graciously allowed to work with the murder investigation in parallel. She will soon end up on a collision course with Fredén. Thus, Martin Beck, who is now head of department, is also involved in the case.

The murder of a restaurant owner who is gunned down in front of a diner full of customers has unexpected repercussions for Alex, whose brother, Paul, represented two men expected of involvement in the killing. Meanwhile, Steinar, amidst tension with Alex and the breakdown of his marriage, accepts the offer of a transfer from Klas.

The Beck group, with Alex Beijer as new group manager, is given a case where a 12-year-old girl found her mother dead below the stairs at home. Is it an accident or would someone have the single mother something bad? It turns out that the family lives with a protected identity and during the investigation, the case takes several surprising twists. "Without intentions" is the 37th film in the series with Peter Haber like Martin Beck.

Simon Lindström, the popular coach of a suburban junior hockey team is found stabbed to death. Does the murder have something to do with his side project: teaching unaccompanied refugee children to ice skate? This undertaking has certainly not been appreciated by everyone in their small, sheltered community. Martin Beck, who has returned in a more senior position, struggles to find a replacement for the temporary head of the group, Steinar Hovland. But the Norwegian is becoming more and more interested in keeping his new role. The question is whether Martin can trust him?

A man is beaten to death in the Middle East. In Stockholm, a young woman disappears on her way home from work. These two events will prove to be related. Since Martin Beck has quit, Steinar Hovland leads the search for the missing girl. But Martin is drawn into the case when he decides to help the national Security Police investigate a suspected terrorist. They soon realize that they are in a race against time to stop a catastrophe.