Lev Trofimov is happily married. His business partner dies along with his wife in a plane crash. As his “inheritance,” he gets his friend’s daughter, Polina. She gets it into her head that she is in love with her guardian. Lev sends the girl out of sight to study in London. After 2 years, Polina returns with a statement that she wants to independently manage her share of the company. Lev is forced to agree to help her sort things out. The girl has grown up, and now the man has completely different emotions about her.