A scientist discovers that there's gold on the moon. He builds a rocket to fly there, but there's too much rivalry among the crew to have a successful expedition.

The mastermind behind a ubiquitous spy operation learns of a dangerous romance between a Russian lady in his employ and a dashing agent from the government's secret service.

In a small town a bag with delicate letters disappears. Many of the residents are worried about their written messages. A clever sculptor uses the opportunity to play a prank.

Rich American Dina Morris and her New York friends sail through the Indian Ocean on a yacht. When the ship suffers a machine damage near the coast, it is decided to go ashore.

During the shooting of a jealousy scene on a soundstage, one actress is murdered. Due to the fact that the male star of the movie had a relation with the victim and the female star is now his fiance, he is suspected by the police.

A dedicated editor, who is engaged to the daughter of a wealthy senator thrills her father with a lecture about convictions based on circumstantial evidence. When a corpse with a disfigured face is found in the house of the senator, evidence points to the editor. An entertaining thriller with a fairly intricate plot and some critical comments on the practice of the law. Based on the novel "Der geschlossene Ring" by Frank Arnau.

Harbour policeman Hans and his companion rescue a young woman from water during their night watch, to find out she is connected with a jewel robbery in which a gangster now owner of an hippodrome, an out jailed one and his mistress now mixed up with an American millionaire weave some obscure plans.

When Albers takes his drug-addicted opera star sister Gerda to a sanitarium, they both become targets of slimy dope peddler Peter Lorre, who fears that Gerda will blow the whistle on him. Lorre kidnaps the woman, leading Albers on a frantic chase.

When both husband and wife find romance outside their marriage, it's a shock to everyone. Robert and Annemarie break up to elope with their respective lovers, only to be thrown together again when they show up at the justice of the peace.