Two friends, young psychiatrists, perceive life in different ways. One wants to do the right thing. The second is to experiment. One is a diligent student. The second is the troublemaker. One loves, hating. The second hates, loving. It's a pity that they have only one passion - Katerina Sergeevna. For one, she is Mom, Dad's wife. For another - a lover.

The story of the principled Ivan, who became disillusioned with the relationship after breaking up with his beloved Katya, but suddenly became the main "lot of sales" in the fake marriage agency of his friend, businessman Gosha. Unaware of the role prepared for him, Ivan becomes the target of a hunt for hundreds of unmarried girls who are ready to do anything to get a “macho millionaire” as their husbands, this is how Gosh advertises his friend.