There is new boss in the team. Surprisingly she has a link to the case what is currently under investigation. Young boy was found dead shooting back by somebody.
There was a free room available for rent in Cologne. One of the room applicants was found dead soon after selection process. Matti Wagner and his team was on the case.
A man was killed in his house, and the ex-spouse looks guilty. Matti and Jonas shows an extraordinary relationship between each other to team colleagues.
Matti meets his old friend. In the same time a girl was killed on the lake. Soon one teenager was kidnapped in the same area. The story has long roots.
