Lovelace Petr arrives for a housewarming party in a new house with his parents, where he meets Polina and falls in love with her. The girl is not affected by the tricks of the young man, which he always used in relation to others. Peter is perplexed and uses all possible ways to achieve her location. Everything is complicated by the sudden arrival of a strange type, who claims to have come to his aunt and this house of their family. When good-natured tenants let him in to find out what is happening, he tells them that there is an old treasure in the wall of the house.