The movie is based on a short story by V. Kataev. A young tractor driver Duri loves Dorka, the daughter of the owner of a ring-throwing attraction. The girl's father is against the marriage. Durie makes a cunning plan: he starts practicing ring throwing. At the opening of the attraction, Durie takes part in the ring toss and wins prize after prize, which he immediately hands out to the people around him. Dorka's father allows Dury to marry Dorka to save his business from ruin.