The source of the Three Rivers, the Roof of the World, and the China Water Tower are located in the eastern part of the Qinghai-Tibet Plateau, nurturing and maintaining a large area of ​​primitive alpine ecosystems, and maintaining the lifeline of ecological security in China and even Asia. This film truly captures the stories happening on this land: there are stories of yaks, stories of shepherd dogs, stories of wild animals, and stories of harmonious coexistence between man and nature.