The suspected killer flees. His terrifying plan involves the Minister of Justice: how can the team stop him carrying it out? In the middle of the search, Peter gets news that Vera is missing.
The interrogation of Larsson does not go smoothly while the unit discovers the blackmail scheme Conny set up was much bigger than they originally thought.
The suspect decides to talk to Peter who is following him despite his suspension. Ann-Marie risks her career to document the conspiracy at the Justice department.
With the Minister of Justice kidnapped, Peter faces harsh criticism for his handling of the investigation. But the killer contacts Peter for one last game of cat and mouse.
Peter tries to speak to the Minister of Justice about his involvement in the case and Barbro turns up a mysterious witness whose testimony takes the investigation in an unexpected direction
Once the truth about the murder weapon gets out, Peter becomes a suspect. Jorma and Caijsa make a horrible discovery in the paedophile's house which has major consequences.
The team have to release their suspect. Meanwhile, Ann-Marie's enemies at the Justice department have Peter in their sights and he is kicked off the investigation.