Su Wan decides to leave behind a relationship that has lost its warmth and take control of her own life. But Zhou Siye gets into a car accident and loses ten years of memories, turning from a cold-faced CEO back into the bold, carefree eighteen-year-old boy he once was. Full of youthful energy, he finds himself attracted to the same girl all over again. She no longer revolves her life around anyone, and he begins learning to respect her career and choices. One remembers everything that happened, while the other has only his original, sincere feelings left. When memories are erased, they finally understand that what deserves a second chance is not their old relationship, but two people who have learned to cherish each other more, finding their way back to one another.