Dr. Claus Sikorski and his wife Helga manage together a doctor's office.Claus i s a womanizer and also a game addict: he has wasted a lot of money and their doctor's office is near the bankruptcy.Helga Sikorski feels suspicion and mistrust about her husband: a private detective Mr. Detlef Bugdan will be in charge of following Claus and of identifying who is the mistress of Claus.The private detective manages to know that Claus will meet his mistress in an elegant hotel of Munich.Then he goes to a boarding house which is in front of the hotel and rents a room.From there he is observing Mr. Claus Sikorski in his room.Detlef calls then Helga Sikorski to tell her that he is in the boarding house, that Claus is still alone, but soon will come the mistress.Claus has called his wife to tell her that he can't invite her for the supper.Helga becomes angry and is leaving her house, but a woman who rang the bell tries to blackmail her.She goes away: in the boarding Detlef sees a young woman entering the room of Claus: he takes pictures and goes away.Helga arrives at the room in the boarding house, looks for Detlef, but he is not here, she saw also the young naked woman and goes away.On the morning the corpses of Dr. Claus Sikorski and his young lover are found in the hotel room: Claus received two shots and the young woman one shot.
—zutterjp48