Lin Shan, an older leftover girl, is out of place in the dull and impetuous urban life. She is confused and anxious, unable to find her direction in life, does not want to blindly follow the crowd, and dare not stand out. Should life follow a universal template to be authentic? Or should feelings transcend age, region, or even gender? Continue to live the same template life or walk out of a single-plank bridge? What kind of life and world can be considered a utopia for the leftovers?