Two young lovers, Tao and Valeria, decide to go and enjoy a beautiful holiday in privacy, away from the daily routine and their parents. After a journey full of adventures, aboard a sidecar, they find themselves in a campsite populated by Germans.

Paolo Anselmi is a happily single man. He lives in a flat with a friend but is forced to leave when the friend gets married. He then goes to a boarding house where he flirts with a girl but ditches her when she proposes marriage. When he goes and visits his mother he finds out that she is also trying to find the right girl for him. Is he going to surrender this time?

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.

A countess, discovering that a painting of her provocatively dressed as Salome by the artist Osvaldo Mars is to be publicly exhibited, slashes the canvas. When he is found dead soon afterwards she is suspected of his murder.

Directed Anton Giulio Bragaglia, notable for incorporating contemporary Futurist art movement into the set designs.