Su Yesheng is a heartbroken grass. On the day she transformed into a human being, her mother's last words came from the underground: "Don't look back." She walked into the world barefoot and used the "raw vine" in her left hand to treat illnesses, but her right hand was infected with a deadly poison - save one person and get rid of the poison. During her escape, she retrieved broken roots that had been scattered for centuries, carried back thick roots that had been trapped at the bottom of wells, and freed old roots that had been imprisoned for three hundred years from the frozen soil. She took those roots that had been chopped up, suppressed, and forgotten and put them back into the soil piece by piece. The world once broke her, and she grew herself back.