Because of her mother's lies, she lost her stable family life overnight. When she was sixteen, she returned to China as agreed by her parents. But at this time, her father had re-established a family, and her stepmother also brought a brother who was one year older than her. Under her father's arrangement, she and her stepmother's son attended the same high school. She and her stepmother's son fight and fight all day long, and just like that, the years gradually pass by. She began to enter college life, and a series of things happened that made her begin to feel that their emotions had changed.