A production conflict breaks out between the head of the hydroelectric power station's construction, Demidov, and the chief engineer, Prokofiev. Prokofiev prohibits construction work due to the danger of a rock collapse, but Demidov cancels the engineer’s ban.
Oleg Zhakov , Aleksandr Belyavskiy , Anatoliy Solovyov , Svetlana Svetlichnaya , Aleksandr Kharitonov , Mikhail Remizov , Maya Bulgakova
Mosfilm