A painter working at the Louvre is struck by the Mona Lisa. When he meets a girl whom he believes bears a resemblance to the painting, and who wants him to become famous, he comes up with the idea of stealing the painting. Based on the real-life theft of 1911.

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.

A serial killer who calls himself "The Laughing Corpse" dresses up in a skeleton costume and kills his victims with a poison-filled scorpion-shaped ring.

Countess Franziska "is kidnapped" by a band of robbers. However, her father is not willing to pay the ransom so Franziska changes sides.

Vienna, 1956. After Soviet tanks crush the Hungarian uprising, soldier-of-fortune Michael Reynolds is hired to help a threatened Hungarian scientist escape from Budapest.