The new supervisor Vasil arrives at the construction site of a dam. Vasil has problems with his men, who mistrust him and reluctantly submit to his perfectionism. He becomes involved with the refreshment bar attendant Lilyana. Vasil, who always wanted children, cannot abandon his childless wife and breaks with Lilyana. When four workers are buried in a tunnel landslide, Vasil makes his way to them and manages to drag them all out, except for Zlatan, a spiteful egocentric, whose legs are caught u...