Polish musical comedy. The film focuses on two friends who spend their vacation in the beautiful countryside of Mazury. They buy a very nice car (Syrenka), but in order to pay for it the men need to start working as solicitors for a notable art impresario named Koszajtis. Soon they get thrown right in the middle of a hilarious war between two rivaling music-and-dance groups.

An antique guitar brings upon a series of increasingly fantastical encounters.

Pilot Stefan Janotta recalls the war and the years following, when he helped rebuilding Polish Airlines.

Stefan Pulman, a lonely Varsovian, spends his vacation every year in a quiet guesthouse. He makes very real marriage plans. The object of his sighs is beautiful Susanna.