A young romantic loves step dance but there is only one person who knows this forgotten art. Beglov was a step dance super star back in 50s but as step became unpopular he lost everything. He hates even this word - 'chechotka' (step dance). But somehow the young man convinces him to become his coach and manager.

The beginning of the 20th century. Famous singer Emilia Marty arrives on tour in a European city. At the same time, the Supreme Court intends to close the Gregor-Prus case, a lawsuit that lasted several decades. Albert Gregor unsuccessfully tries to seize the inheritance of Baron Joseph Prus, but cannot prove that he is his heir. Emilia Marty unexpectedly intervenes in the process, reporting the whereabouts of documents proving the family kinship of Albert Gregor and Prus.