Nineteen-year-old Wen Sui mysteriously travels seven years into the future and reunites with her childhood sweetheart, Pei Yuli. He is now the head of the Pei Group, having spent seven years desperately searching for her while carrying deep emotional trauma and insecurity. Struggling with the loss and confusion caused by her parents' divorce and remarriages, Wen Sui gradually adjusts to a life that has moved on without her under Pei Yuli's care. She returns to school, makes new friends, and encounters several suitors and undercurrents of interpersonal intrigue. As the two gradually develop romantic feelings from the companionship and dependence they shared since childhood, Pei Yuli's possessiveness and hidden feelings begin to surface.