Police Lieutenant Colonel Yegor Stepanov unexpectedly became a father: his casual mistress gave birth to a girl. But he has no time for the child, Yegor has big problems: he learned the news about the birth of his daughter at the airport and did not board the plane, which later crashed... Now the relatives of the dead passengers accuse Stepanov of being somehow responsible for the accident. They are inspired by the schemer Shnyrov, a slippery, unpleasant guy, who is helped by the librarian Olga and the elderly Vlasov couple. They are ready to do anything to destroy Stepanov, even the most extreme measures...