A young boy named Tulga is lost in a yak herd during the migration and raised in a wolf's den. A hunter finds the boy while searching for food from a wolf's den in the spring. As the boy grows up, he learns how to inherit the customs of his Mongolian people and how to improve his way of life.

In honor of the 50th anniversary of the Atar Land Acquisition and the 3rd Atr Campaign, this film tells the story of the great victory of labor during the Atar Land Acquisition movement in Mongolia, as well as the complex issues of youth's feelings, love, trust in others, and relationships between people.