A man is found dead in a London hotel. The knife is still firmly stuck in the victim's chest, and Inspector Perkins strangely finds a glass eye in his jacket pocket. Kurt after that a second, mysterious murder happens: A city-famous dancer of the Las Vegas Girls, who perform at the London Odeon Theater, is poisoned. Is there a connection between the pretty dancer and the hotel guest? Inspector Perkins and his colleagues are pressed for time. The "man with the glass eye" strikes deadly again and again. A first clue leads Scotland Yard to a billiard club, where one has to show a glass eye as an admission ticket.

Car salesman Mark sails down the Rhine to Amsterdam in an old barge with his friend Ulli and a girl named Elke. During his shore leave, Mark repeatedly encounters the pretty tour guide Petra, who is traveling to the same destination with a busload of tourists. The two fall in love.

A woman moves back and forth between two men and two cities.

Bruno Stiegler, a boxing promoter with a disreputable past, returns from America to Berlin to make some big things again with his friends. Fatally, he is always preceded by some gentlemen from better circles who are developing amazing criminal activity in their old days. They are led by Oberlandesgerichtsrat a. D. Herbert Zänker, whom it still hisses, that he could bring in his term Bruno never behind bars.