Eva's investigation is wrapped in mystery as her work tears at old wounds. Goran Wass joins the Stockholm police charged with a mission from his organisation.

As the search for the missing girl continues, Eva and Wass find something of a personal nature - while Bahar becomes increasingly suspicious of the officers behaviour.

Eva and Wass find evidence that more children's lives are in danger. Bahar launches her own investigation and Tom gets an offer that could affect his friendship with his colleagues.