Alexander, a war veteran, was appointed as a chief for the young people during the construction of Engurhesi. They are also in the dormitory together. Alexander's experience, hard work, decency and humanity will become an example for boys who come directly from the school desk to construction.

In the latter half of the 19th century, gold is discovered in the Black Hills, sacred land of the Lakota people. Gold diggers, profiteers and adventurers flock to the region. Among them is the hard-hearted land speculator Bludgeon, who tries to expel the Lakota using brutal methods. Lakota warriors retaliate, and soon the gold diggers' town becomes a battlefield.