The story of a mine and the men who work it, particularly one miner, who has problems both at work and at home.

"Lead Brigade" ("Olovna brigada") follows the daily life of the workers in a mine, during the period of the workers' self-management in former Yugoslavia. The film offers a dramatic cross-section between the social conditions of the time and the main character, engineer Lazar's personal drama. Lazar's inner turmoil intertwines with the appearance of a unique professional challenge - the discovery of a rare mineral in the ore.—Ev