Munich at night: Robert Susmeit, a 16-year-old teenager who is jealously obsessed with his mother Hilde, traces her and her latest lover at a mundane apartment building where he kills the man in the heat of the moment at a swimming pool. His fatal outburst is secretly witnessed by Moni Dingeldey, a girl of the same age as his. Fascinated by the shaken and devastated strange boy who she hopes to be a soul-mate, she hides Robert in her mother's apartment. Meanwhile, a crowd of policemen and reporters frantically comb through the building in search a murderer whose identity is known only to Robert's parents who are searching as well...
as Robert Susmeit
as Hilde Susmeit
as Moni Dingeldey
as 1. Commissioner
as Mrs. Dingeldey
as Wallich
as Kirr
as Krüss
as 2. Commissioner
as Elvira Schramm
as Mrs. Kuhn
as Mr. Stein
as Bertram Susmeit
as Ingrid
as Man in the hotel lobby