Harry Piel

A police deputy in Paris have a lead on an international gang into trafficking. The police dresses as a steward to tail the head of the gang to Marseille. On the ship he meets with Madeleine. A girl controlled by the traffickers.

Harry Peltzer, who is passionate about his job as a firefighter, and his superior, fire chief Paul Körner, are the best of friends. This changes the day they both meet Nelly, a young, blonde cashier at a vending machine buffet, on whom both men immediately set their eyes. As Harry has a much better chance with Nelly, Paul's friendship with him soon turns into bitter antagonism, if not outright enmity.

Jonny Wilken is an ageing lion trainer in a circus. He is in love with his younger colleague Jutta Sarris. On her wedding day, Jutta's favorite Bengal tiger attacks her out of jealousy and kills her. Jonny, full of pain and out of revenge, enters the cage to kill the animal with his bare hands. However, the tiger bows to him without any resistance.

The smart detective Brown had once convicted the criminal Ellen Sandow and brought her to prison. Now he visits her in the infirmary there. When Ellen has served her sentence and left prison, she is first taken to the luxury hotel "Esplanade" with Brown's help, where she is taken in by a wealthy relative of Brown. Ellen threatens to get into the old waters when she meets a former gangster friend in the luxury accommodation. This John Verdon intends to steal a valuable plan from a mining company and is hoping for Ellen's help. But she has learned from her past mistakes and informs Brown of Verdon's sinister plans. After further turbulent events, Brown succeeds in putting the villain down.

The first appearance of Heinrich Schroth as Joe Deebs, a popular detective character in German silent cinema patterned after Sherlock Holmes.

A taxi driver, (Piel), finds an odd contraption on the back seat that renders him invisible, but his friend steals the device to rob a bank. An inventive comedy.