Tang returns to a small island formed by the accumulation of floating sands from the Yangtze River, where he runs an organic farm. Years in service, however, caused him to face repeated difficulties and failures. A mother, who lived in seclusion on a mountain, goes down to spend a few days with her daughter Xiao Yu, who works on the same farm. There she waits for her daughter to accompany her back to her old home on the winter solstice. Under her mother’s gaze, Xiao Yu becomes aware of the traumas in her life that she can no longer avoid. At the same time, the farm is undergoing a change in operating methods. A storm changes everyone.