Jimmy Ward infiltrates a criminal gang, only to reveal at the last moment that he is, in fact, none other than an undercover Sherlock Holmes.

1865. Katharina goes to a ball in Moscow. There she meets again Tchaikowsky, her first and only love. The young, who is now married to wealthy Michael Iwanowitsch Murakin, a man she does not love, has not forgotten Piotr Illich, the (not yet) famous composer. Both are still in love with each other but Piotr is engaged to Nastassia, a dancer, while for her part Katharina cannot leave her husband. Tchaikowky's first love then decides to sacrifice her happiness to the success of the composer, sponsoring him in secret. Something Piotr will learn only years after. When Katharina finds herself free at last it is too late: Tchaikowsky is dying of cholera and she only has time to close his eyes.

The jealous star conductor Montemayor knows that his beautiful younger wife, Winifred, is cheating on him with an American named Jack Mortimer. After the concert rehearsal, he takes a taxi to the train station, sees Mortimer and shoots him at an intersection from the backseat of his taxi. The shot is not heard during the traffic noise. The taxi driver, Sponer, sitting in his car with the now-dead Mortimer, goes into a panic.

A struggling composer gets one of his pieces into a film program and his wife captures the lead part in the production as well.

Young Beatrice has trained as a dancer against her father's wishes. At the circus, she meets the famous tamer Ruda and falls in love with him. But the next day, Ruda disappears with the circus. Beatrice gets a new engagement with another circus and makes a career as a dancer among live tigers.

Maler Pratt, an artist, refuses to sell his paintings as he thinks that they still need improvement before being publicly exhibited, but his wife Monika thinks differently and sells them because she thinks they are good...and they need the money. As he only signs an "M" on his work, Monika has no difficulty in claiming she is "M", but problems arrive when she is commissioned to do a large mural and Maler refuses to help her out. However, his creative spirit gets the best of him and he does the mural which is widely acclaimed to be a great work of art. Felder , an art dealer, is not overly pleased with this turn of events as he has been pleading with Monika to divorce her shiftless husband and marry him.

The likeable and carefree Grand Duke of Abacco is in dire straits. There is no money left to service the State’s debt; the main creditor is looking forward to expropriating the entire Duchy. The marriage with Olga, Grand Duchess of Russia, would solve everything, but a crucial letter of hers about the engagement has been stolen. Besides, a bunch of revolutionaries and a dubious businessman have other plans regarding the Grand Duke. With the intrusion of adventurer Philipp Collins into the Grand Duke’s affairs, a series of frantic chases, plots and counter-plots begins…

Against the wishes of his adoptive father, Stefan Burgstaller decides to become a musician. He goes to Salzburg, where his girlfriend Veronika is already attending the conservatory. Stefan is also accepted at the school and even receives a scholarship because of his extraordinary talent. This paves the way for a carefree student life, which Stefan enjoys to the fullest. The fun-loving guy is popular everywhere, but he seems to be particularly fond of the slightly older waitress Anna, who works in the musicians' bar "Zur Bassgeige"...

The mechanic Behnke wants to join the Nazi party to secure a good living. However, after his Jewish neighbors have been taken away, he changes his views. Trying to remain "a non-political man," he withdraws from reality and becomes a Nazis laborer.

A grieving husband tries to uncover the truth behind his wife's suicide, leading him to discover a tragic tale of infidelity and redemption.