Starting 1970s. Marina Rodionova gives birth to a child from a donor. Grown up son Andrei she tells the legend of the deceased father. It takes many years. Son of a student accidentally discovers that his father is a professor Hlyuzdin who teaches at his institute. Andrew's friend can not get from Ladder strict professor and then Andrew decides to introduce his father and mother.
The first secretary of the regional committee, Makhonin, sums up after the meeting of the party's general secretary with the regional economic and party activists. At the same time, he reports to those who allowed themselves critical speeches at this meeting. Central television accidentally records this “debriefing”, finding the material interesting send the film to Moscow by plane. Makhonin finds out about this and, frightened of the consequences, decides to return the plane and destroy the film at all costs...
