On his way back from soccer practice, a boy is sexually abused and murdered. He has a sports sock in his throat, reminiscent of an earlier case in Drenthe. When it turns out that the victim's coach in Drenthe—who was also a suspect at the time—now lives in Maastricht, all the alarm bells go off. Marion and Romeo encounter an elderly woman who is desperately lashing out at people in a supermarket. Is she simply demented and unmanageable, or is there more to her behavior?

A bank employee is murdered as he drives into the parking garage with his wife. After investigation, it appears that there is nothing illegal in his actions that could explain the murder. Wolfs and Eva discover that a criminal with the same car lives in the same building, so they quickly conclude that it was a case of mistaken identity. As Eva and Wolfs delve further into the criminal's life, things turn out to be not so simple. Marion teaches at school and receives an anonymous report from a child who is afraid of becoming a victim of a family tragedy. The report is anonymous. Should Marion respect that or find out who in the class made the report?