The Rumyantsev Case.

Sasha Rumyantsev, a long-range driver, becomes an unwitting accomplice in a crime committed by the head of the motor depot where he works. The honest guy is accused of stealing a car of a hard-to-find product. The collective of the motor depot amicably stands up to protect their comrade and helps the investigator, Colonel Afanasyev, to find and expose the true criminals.