Shen Yi endured and gave everything beneath the shadow of Gu Chengyan’s “first love” of ten years, only to be treated as a backup, a substitute, and a pawn. Heartbroken, she finally walked away. As she grew into her own person, Lin Yanzhou, with whom she was always trading barbs, quietly stood by her. Only after losing her did Gu Chengyan realize the depth of his feelings and begin a long, difficult journey to win her back. Meanwhile, Lin Zhou gradually realized that he had fallen for her long ago, but chose to let her go.