The summer has just begun and new summer guests Carsten and Celia Johnson have invited the entire island to a summer party to unveil their newly built luxury home in Fyrudden. But not everyone is looking forward to the party.
Several of the older boys make Benjamin their whipping boy, without the leaders noticing anything. The bullying gets worse every day, and meanwhile someone is lurking in the shadows, watching every step the children take.
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.
