Herder Pagwa lives in a hut in a valley of beautiful flowers, where he hoards a mysterious chest whose secret is not revealed even to his three sons. The elder two believe that the chest is filled with gold and precious stones, so they break it open. From then on, water floods the valley, the earth withers and the people and animals start dying of thirst. The youngest son seeks out the wise Arat to ask for advice.
This film revolves around Choghtu Khong Tayiji, a 17th century Mongolian prince who waged a campaign of independence against Tibetan and Manchu forces.
