The protagonist of the film, engineer Barkasov, finds himself in ridiculous and anecdotal situations all day. He is a responsible worker, the head of a large institution and is completely exhausted from pressing urgent matters. On the advice of a doctor, his deputy bought two operetta tickets for his boss and ordered secretary Sofochka to accompany Barkasov at an evening performance...

Two kings: Fedot and Amphibrachiy have been adjoining peacefully for many years. But once Amphibrachiy disappeared, and it became difficult for queen to cope with affairs. The state began to fall into decay. Also daughter Alyona absolutely got out of control. So mother decided to marry her. The king Fedot had three sons: Paul-tsarevitch, Peter-tsarevitch and Ivan-tsarevitch, whom everybody considered to be a fool. But he managed to gain Alyona's heart and, having won Kashchei the Immortal, set free the king Amphibrachiy.