Stefan is lonely, with a blinding ambition to make friends. One day he stumbles upon a diamond in the woods. Unable to reach it, a solution presents itself in the form of an even smaller man.
The Stranger - two children are taken, A new officer joins the team, a young girl is strangled and a death via traffic accident turns out to be more. In the meantime, Patrick and Erica plan a wedding.
When a student at the famous boarding school Tuna Kvarn is found dead, investigators are met with a wall of silence. Suspicions soon turn to pupils from a disadvantaged neighbouring state school – until a mobile film that reveals Tuna Kvarn’s humiliating initiation rituals appears on social media and triggers dramatic consequences.