A police department, lead by an older, experienced detective solve crimes together.

Eine Nacht in Venedig (A Night in Venice) is an operetta in three acts by Johann Strauss II. Its libretto was by F. Zell and Richard Genée based on Le Château Trompette by Eugène Cormon and Richard Genée. The farcical, romantic story involves several cases of mistaken identity. The piece premiered in 1883 in Berlin and then Vienna. It became one of Strauss's three most famous stage works and has been seen in New York, London and elsewhere, and has been adapted for film.

On their hike, the two friends Hans and Richard arrive in the Black Forest village of Sankt Christoph on the eve of St. Cecilia's Day, where they find accommodation in the house of the respected cathedral choirmaster Blasius Römer. There they meet his employee Bärbele, who is in love with Blasius Römer. A little later, the attractive Malwine arrives in the village from Berlin and sets her sights on Hans. However, Malwine is rejected by Hans on the evening of the Cäcilienfest dance, who decides in favor of Bärbele, who is shunned by the locals as the niece of the 'Muhme', a woman known as a 'witch'.

The film portrays the assassination of Archduke Franz Ferdinand of Austria in 1914.

On December 24th the Orient Express gets snowbound near a little mountain village and its passengers are forced to spend some time there, mingling with the local people, upsetting their usually monotonous daily lives.

An actress used to playing only bit parts becomes the center of attention when a movie director buys her life story as a film project, she is now faced with a psychological crisis.