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 under a fallen prop. Zlatan begs Vasil to save him, even if it means cutting of his legs. To release the miner's legs Vasil cuts the prop, which is also supporting the roof of the tunnel. Zlatan is rescued. However, Vasil is killed. Since then, the workers say his steps can be heard bellow the dam wall.

Frivolous girl falls in love with a young construction worker. He trusts her and decides to include her in his team of workers. In the beginning, she is happy, but soon starts to feel the tensions between the people in the team. Hypocrisy and demagogy fill her with indignation and she does not keep silent about the shortcomings and mistakes of her colleagues. Gradually, her superiors become uneasy about her and the girl has to go. Her boyfriend offers her marriage, but she decides to take her own path and lead a worthy life. The movie was shot in 1966 but was censored by the communist government and released in theatres on 31st October 1988.