During the flight, the hero of the film, the boxing champion, recalls his life's journey. The hero’s childhood was in the first post-war years. He grew up without a father, his mother was busy with work, his older brother was in prison, the relationship with the new stepfather did not work out, and the boy was brought up on the street. There he learned to fight, and this led him to the boxing ring. Over time, the stubborn street boy became the champion of Europe.

Srubov is a part of CHEKA, the secret police Lenin established after the Bolshevik Revolution. They arrest, interview for a minute, try in ten seconds, and execute intellectuals, aristocrats, Jews, clergy, and their families. In the building basement, five people at a time are shot as they stand naked facing wooden doors. No one to remember their last words; no martyrs, just anonymous bodies. Daily, the kangaroo court, the executions, the loading of bodies onto wagons. Srubov is cold, distant, sexually dysfunctional, and a deep thinker, hated by former friends and his family. As he tries to reason the nature of revolution and the purpose of CHEKA, he slowly goes mad.

A former athlete runs a camp dedicated to reforming juvenile criminals, a tough job with no quick payoffs.