Season 1

At Henrik and Noras house they are preparing for Henriks parents 40th wedding celebration. Henriks parents take the children to the beach but suddenly the children are missing.

The police have a suspect but Nora continues, to her husband Henrik's annoyance, to involve herself in the police investigation.

A body in the water and the Stockholm police is notified. At first it seems to be a drowning accident but Thomas Andreasson, the detective assigned to the case, soon suspects that it is a murder case.