Maria Halmborg is a widow. Her husband Erik - missing for years - is considered dead. Suddenly she learns that her husband allegedly lives in Rio and sets out on the journey to clarify the matter.

The French ballet girl Janine, a gifted tap-dancer, dreams of a musical career in Paris. But first she wants to take revenge on Count René who stood up her best friend Charlotte. Janine wants him to fall in love with her and disappoint him afterwards. At a masked ball at which Janine pretends to be a Marquise they have their first meeting. Janine is very disappointed in the "good gentleman", but she does not suspect that this gentleman also makes a pretence. The man whom she holds to be count René is Pierre, a composer and pianist.

1900: Much to the chagrin of Baron Uhlendorff in Schoneberg, the city of Berlin is expanding. But what is much worse is that his son George is in love with Traute, the daughter of the master carpenter Schradecke. So the son must leave for South America as a diplomat and Father Schradecke has to intercept his letters to his daughter. Traute is inconsolable; 1913: The early days of the small artisans have now given way to them becoming big businessmen. Traute continues to wait for George in spite of the stubborn proposing by the carpenter Paul Buttner.

A British attorney working on a small island wants to return home to London, but first has to solve a mysterious crime.