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.
| Directing | Aleksandr Kosarev | Director |
| Writing | Anatoli Bezuglov | Writer |
| Sound | Aleksey Rybnikov | Music |
| Crew | Igor Bogdanov | Cinematography |
| Crew | Eduard Malikov | Special Effects |
| Crew | D. Pletnikov | Special Effects |