Idealistic Mr. Tang runs an organic farm on an island covered with quicksand. Years of running the farm have brought him to a difficult situation and failure. Xiao Yu follows Mr. Tang to settle down on the organic farm. Her mother, who lives in seclusion in the mountains, comes down to stay on the farm, waiting for Xiao Yu to return home with her on the winter solstice. At this time, the farm is undergoing a transformation in its operation mode, and a storm has changed everyone.