Rosika, a girl from Genoa, fled her innkeeper stepfather after he tried to abuse her. She finds refuge - and a job as well - in a traveling circus. Cherubini, the owner of the big top, falls in love with the lovely young woman and makes her the star of the show 'Light Cavalry'. But unfortunately for him Rosika's heart beats for Geza, the stable boy.
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.
Zezi, on being released from prison for smuggling, is ordered to leave the country. His incarceration has not lessened his craving for female society, but he finds his mistress false. A young girl, trying to sell vacuum-cleaners, calls at his home. Half-starved, she collapses. The blackleg’s heart is touched, and he befriends her. Gratitude on her side develops to love. Though she takes the place of the false one, she urges the man to marry her. This he does, though he has a wife, from whom he is separated.
His Greatest Bluff is a German silent comedy film. Today, the film is best known for the early role it offered to Marlene Dietrich who was only cast after great effort by her agents.