Teenagers Andrei and Genka live in the same yard. Life is tough for both of them. After his mother died, Andrei's father left his family and the boy stayed with his sister. Genka's mother, 17, works as a conductor and is rarely at home. Driver Mikhail Prokhorov (Mikhail Ulyanov) lives in their apartment. He has constantly loaned teenagers money, but one day he forces them to participate in an apartment robbery. This is how the heroes get to Police Captain Sushkov (Alexander Grave), who will help them out of a difficult case for them.