His mother's son returns to her home for her birthday after a long absence. The delighted mother doesn't yet suspect that her son has come to avenge past wrongs.

Seven-year-old Masha wants to spend every second of a long-awaited date with her mother. Accidentally overhearing that grandma is planning to deprive her mother of parental rights, Masha decides to hide and stay with her mother in prison.

Chinese businessman Weihong comes to Russia to visit his business partner Victor, who is in debt to him. Weihong tries to put things in order: fire ineffective employees, improve sales. But it soon becomes clear that he cannot overcome the great Russian melancholy, and Victor is unable to help him. Then Weihong decides to take Victor's house to pay off the debt. Victor is ready to part with the house, but he faces desperate resistance from his adult daughters - Olga, Lena and Toma. The conflict escalates into a catastrophe that can destroy the family and even kill.