After the partisans Julia, Pavel and Sergei went out on a combat mission, the detachment was surrounded and destroyed by punishers. Years later, a document was discovered stating that one of the three was a traitor.
An inveterate gambler Mikhail Vasilievich Krechinsky loses a large sum of money. In order to avoid shame and pay debts, Krechinsky decides to marry a rich girl. But in order to receive the blessing of his father and speed up the wedding, he again has to go to deception...
