Actress Li Caiwei travels back to ancient times and takes over the body of the foolish prince's wife. She and the prince Shen Huaijin have been engaged since childhood, but Shen Huaijin dies suddenly before the wedding, and Li Caiwei falls into an endless cycle of following her husband's death. In order to save her life, Li Caiwei starts a house fight to track down the murderer, and gradually falls in love with the fake dandy prince.