A school teacher wasn't expecting to find a dead man corpse in her apartment during a party.

While the bride is late for the wedding, the guests tell various marriage stories, which confuse the groom.

A rich, smart, charming philanthropist from Saint-Petersburg Andrei Rokshin is found dead at home. The culprit is a woman wearing a black veil. Investigator Sinev takes the case.

The film tells about the engineer Gorelikov, who, together with his disabled friend, opens a salon with computers for children and students. And suddenly they are attacked by a gang of racketeers.