Gli uomini non sono ingrati

During a reception in a villa, wealthy banker Calandri is killed in the park with a gunshot. The gamekeeper Barra is immediately arrested, but he declares himself innocent. During the trial it turns out that the defendant had threatened the victim, guilty of courting his sister-in-law. But the deposition of a journalist present at the party soon leads to discover the existence of a dense network of equivocal relations between the victim, the guests and the servants. This judicial setting drama is allegedly the second Italian sound film after "The Song of Love", made using the RCA Photophone recording technique, and is also considered to be the first Italian detective film, a precursor to the later genre of Giallo films.

Matilde Sarni lives in her villa near Rome. She has a son who has just married Donata and who is coming home after a series of recitals in the States. Mario, her son, is a famous opera singer and he is twenty years older than his wife. Besides Donata doesn't like country life. So when Mario leaves for a tour of recitals and Donata meets Giulio...

During the first Napoleonic expedition into Italy, Thibaud is seriously injured before being caught up in a mystery involving his wife, her rightful inheritance and his own daughter's happiness.

Two young men try to make it big as musicians.

Ginevra degli Almieri's family has arranged a marriage of interest but the young Ginevra strenuously refuses until she falls into catalepsy and is buried alive. Once she wakes up she goes home but her family believes they are dealing with a ghost and they try to chase her away. She will only be welcomed by the penniless young painter who has always been in love with her.

A man and a woman love each other, but they can’t marry because he’s ashamed of his unjustly incarcerated mother. What’s more, he loses his eyesight in an accident.

Two partners return from the war to find their coffee plantation in the hands of an unscrupulous overseer. One is attracted to an exotic native girl that the overseer has at the plantation.

Expert mountain-guide Maciste lives in the Dolomites. He dotes on his young nephew Hans, the illegitimate son of his sister, who died of a broken heart for the dishonour of being seduced and abandoned. Maciste’s bitter rival is the sinister Schultz, a smuggler in search of easy money who teams up with two adventurers: Müller and the mysterious Vanna Dardos. Schultz’s plan is to steal the design for a revolutionary aviation project that engineer Riccardo Ewert is finishing in the peace and quiet of his mountain chalet. Thanks to Maciste the plan is thwarted and Müller and Schultz die overwhelmed by an avalanche while escaping through the mountains.

A biopic of soprano Maria Malibran (1808–1836). A beautiful singer, Maria Malibran, is forced to turn to the stage after her husband takes to gambling, and goes to Paris where she falls in love with a famous violinist. When her money-seeking husband reappears, the couple go to London, where they find happiness. A composer falls in love with Maria but when his affections are unrequited, he becomes broken, takes to drinking and dies.