The Mystery of the Moonlight Sonata

A German soldier lies wounded on the front line in the First World War. To avoid capture or death, he assumes the identity of a fallen French officer. As the German soldier happens to speak fluent French, nobody realizes the deception. The soldier begins a new life in Paris, yet remains in constant fear of being exposed as the ‘enemy’.

Robby and Jim are two friends working in a circus. When Marina, a new acrobat, enters the show, both men will compete for her love. She needs a partner for a flying number, and one of them will be elected. Then accidents will happen.

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.

A restaurant cashier, who has a mutual attraction to the restauranteur, has a secret passion for dance. As soon as she finishes work she is off down to the dance studio for a practice. She has a chance meeting with a handsome impresario, who promises to make her into the greatest dancer the world has ever known.

Paul loves actresses but avoids to get hitched. Businesswoman Katja manages to get a singing part on stage, this way attracting him to her. Deli employee Franz is mistaken for an actor and gets a leading part - with disastrous results.

A young woman in Berlin is offered a job at a night club in Budapest. There she is abducted and brought to a brothel in Athens.

Marie, adopted as a baby by Warrant Officer Guippo, helps a smuggler escape because he saved his life previously. She finds him again in Paris while she is engaged to Count Bertrand.

When an up-and-coming singer's career is jeopardized by morphine addiction, her brother takes on the ruthless dope pushers who are intent on keeping her hooked.

Merijntje Gijzen is a small boy growing up in Brabant, in the south of the Netherlands. One day, out on one of his walks, he meets infamous poacher 'De Kruik,' and the two become friends. De Kruik is in love with Janekee but she is more interested in the new village policeman.

A mousy bank clerk is married to an ambitious woman.

Prim professor Immanuel Rath finds some of his students ogling racy photos of cabaret performer Lola Lola and visits a local club, The Blue Angel, in an attempt to catch them there. Seeing Lola perform, the teacher is filled with lust, eventually resigning his position at the school to marry the young woman. However, his marriage to a coquette -- whose job is to entice men -- proves to be more difficult than Rath imagined.

Thymian Henning, an innocent young girl, is raped by the clerk of her father's pharmacy. She becomes pregnant, is rejected by her family, and must fend for herself in a harsh, cruel world.

A semi-documentary experimental 1930 German silent film created by amateurs with a small budget. With authentic scenes of the metropolis city of Berlin, it's the first film from the later famous screenwriters/directors Billy Wilder and Fred Zinnemann.

Directed by Martin Berger.