Jirka is a composer, his wife, Jana, a pianist. Jana would like to have an own concert, but so far she has only been selected to accompany Valenta during his concerts in Budapest. After some resentments, she accepts the proposal.

While old Oliva tells a group of children about his life as a sailor and how he met Diana and her cat with sunglasses, a strange circus arrives in town.

The Lakota king is so stingy that he wants to marry his only daughter, Princess Forgetful, to Prince Bohatu, even though the girl doesn't like the groom because he is conceited and "empty-headed." But at the right moment, the blacksmith's son Ondřej, a singer, appears on the scene and protects her from unwanted marriages...

Getting into the popular music spotlight is not easy, as even an enthusiastic amateur, an overconfident young man whose singing career soon fails, will find out... A tantalising insight into the backstage of the entertainment industry, neither the musical passages nor the unexpectedly massive participation of the singing stars of the time succeeded.