Su Nian's husband, Zhao Mingyu, accidentally lost his memory and his memory stayed at the age of eighteen. This "big boy" who was originally unmarried fell in love at first sight when he saw Su Nian. After losing his memory, Zhao Mingyu is innocent and shy. He learns to do housework and plays his favorite role for Su Nian. The two start a sweet and funny relationship. Just when Su Nian was immersed in it, Zhao Mingyu regained his memory and returned to his sinister and domineering nature. An unexpected pregnancy brought new surprises and fulfillment to this marriage.