The heroine, whose family life in the real world is unhappy, transmigrates back eight years and reunites with the person she secretly loved in college. Gradually, she discovers that their missed connection was deliberately engineered, and that she was a victim of the controlling behavior of the person closest to her, all supposedly "for her own good." The strength she has gained through the passage of time and the power of love finally helps her overcome her own weaknesses, only for her to discover that her time limit for transmigrating has arrived...
