Hanna (Marie Richardson), who works at the division for organised crime at the Stockholm police department, gets involved in a power struggle of the underworld when her lover and co-worker Sven (Johan Hedenberg) is abducted. The situation gets even more complicated when it turns out that Hannas' estranged son Christian (Adam Pålsson) is involved...A police officer conducting an undercover investigation of a motorcycle club disappears...Thanks to the information from Christian, the police now have the name of the murder with the neck burn. Alone in the kitchen, Christian and Blanka Mimica (Sandra Redlaff) start kissing...After Stefan's (Peshang Rad) death, Christian is very upset about his role and Blanka want them to leave together. But he travel with Davor (Alexej Manvelov) to Kaliningrad to finish a weapons deal...The official part of the police investigation is finished when one person confess the murder of the policeman. But Operation Krajina is going forward and Blanka is approached by the police to give information...In the final episode, there does not seem to be any evidence that point directly at the Mimica family being involved in criminal activities.