Kim Bulatovich Sychev spent most of his active life in Siberia on gold mines, not forgetting the relatives who, thanks to him, have been harmless all this time. And so, years later, Kim returns to his homeland, where he has a son, granddaughter and daughter-in-law Lily, the son's second wife. Soon Kim learns that he is terminally ill, and about the machinations of the daughter-in-law to the will. To expel a conman from the house, Sychev must be exposed – demonstrably and convincingly. But for this Kim clearly lacks one – a reliable person. Thinking about the circumstances of the situation, he makes a desperate announcement: "I'll buy a friend" ...