Jiang Xiaoman, a college student majoring in art, is heartbroken because of a painful breakup. Suddenly, Anatoly Mercury, a hot mermaid, appears and accompanies her. They gradually fall in love as he completes the task of getting true love kiss. Cheng Xi, a gentle senior, is both an assist and a crisis to their relationship. As long as they have faith in fairy tales, there will be a happy ending.