France at the time of the Restoration. The young country gentleman Rastignac comes to Paris to study. He takes up residence in a poor boarding house, where his father Goriot, who has been excluded by his daughters, also lives. The penniless Rastignac is anxious to gain a foothold in Parisian society. His cousin advises him to take the rich banker's wife Delphine, one of Goriot's daughters, as his mistress, which he does. At the same time, however, he falls in love with the laundress Yvette. He is unable to make up his mind when boarding house guest Vautrin suggests a third option: To marry Victorine, the disinherited daughter of a millionaire, and kill her brother in a duel in order to get his inheritance after all. Rastignac agrees. This is his downfall. Instead of high society, he ends up in the gutter.
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"...
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.
A reckless young woman has her driving license withdrawn, drives home anyway and gets involved in a traffic accident. Realizing this was a little over the top she decides that she has to flee the country. As fate has it, she misses her train and instead meets a handsom young man who imidiately falls in love with her. This marks the beginning of a long night of misunderstandings, chases and courting.
Since her father died, rich and carefree Jacqueline Topelius makes magazine covers and causes social gossip with her flirtatious adventures around Europe, leaving a string of admirers behind without much concern. Her sister June, living in Paris, is all the contrary but they love each other just the same. Everything changes when Jacqueline meets Dr. Michael Thomas, who rejects her at first. Now she must choose, and also face the consequences her past life may have on their future together.
In the very old-fashioned town of Ostend suddenly 13 suitcases are delivered to the hotel, with a note, that O.F. will be here soon and needs 6 rooms (the hotel just has five). This event, probably the biggest in 300 years, starts a small wave of modernisation, yet everybody is wondering who O.F. is. Journalist Stix and architect Stark have an idea how to use this event. They proclaim, that O.F. is a former citizen of the town, who became a millionaire abroad. They tell their fellow citizens that the town still needs modernisation, like better hotels, nightclubs, shops, etc. And soon, Ostend is a boomtown, then a capital. The architect, responsible for the new buildings is finaly allowed to marry the mayor's daughter, while Stix marries the cabaret star and the widowed mayor his new secretary. The only problem is, O.F. hasn't shown up, while finance experts from all over the world are trying to solve the depression problem.