One night, a person is pushed in front of the S-Bahn. There is no witness, and the police assume suicide. Even Chief Inspector Claudius Zorn paid no attention to the incident. He's busy persuading Schröder to become his partner again. What neither Zorn nor Schröder suspect: The culprit is very close to her. And has a number of new victims in the sights. People who are close to the two investigators.