Fang Lan, a 10-year-old girl, comes from a migrant worker family. After moving to a big city, she is in a coming-of-age stage and begins to feel her difference. Driven by a strong sense of inferiority and jealousy, Fang Lan's inner dark comes forth and pulls her towards the dark abyss.

The film tells the story of Gelsang, a Tibetan teenager, embarking on an adventurous journey from Qilian to Yangxin to retrieve his "Ox King" loaded onto a cattle truck.