Smotri v oba! (1981)

The plot takes place in 1921, at the end of the Civil War. The young Komsomolets Aleksey Komanov receives the task of the Revolutionary Committee to send warm clothes to Petrograd for the children's commune. Komanov is given as an assistant a certain Lykin, who has recommended himself as a mechanic, since it was necessary to establish a junk motor of a river tugboat.