Just when everything seems to be going well for Nora and Alexander, a mysterious man appears to shadow them; Pär begins the first investigation of his own case and discovers that it is related to two other cases.
The Nacka Police receive an anonymous report of domestic violence. Mia receives the report and goes to see Minna, who arrived at the hospital, badly battered, with her newborn son.
One of Nora's close ones becomes the prime suspect, and Henrik seeks her help. Trails unravel secrets from the past. The solution nears as Nora faces a difficult choice.
Thomas Andreasson and Mia Holmgren, keep investigating the murder of well-known lawyer Oscar Juliander. It appears that he has no contact with his son. And someone has been sending anonymous threatening letters.
The captain and owner of a yacht collapses, hit by a bullet to the chest. Who shot him and from where? A new investigation begins for Thomas. How could the shooter flee and go unnoticed?
When another member of the KSSS board is murdered, crime inspector Thomas Andreasson and his colleague, Mia Holmgren, look for a connection between the two murders.