A man walks into a restaurant and, after a brief exchange, shoots the owner dead before quickly disappearing. The murder appears to be a gang hit and all the witnesses at the scene seem too terrified to talk. 

As the investigation begins, all is not harmonious at the station. Devoted family man Steinar faces a crisis at home, and Oskar, Jenny and Ayda find themselves squeezed between different loyalties at work – even before Martin discovers that the main suspect in the case has a direct family tie to Alex Beijer…