Mu Nuannuan, the third daughter of the Mu family, is forced to marry into the Mu family in place of her older sister. Little does she know that Mu Jiachen, whom she meets on her wedding night, is actually her husband, Mu Tingxiao, rumored to be disfigured. Using an assumed name, Mu Tingxiao tests her, and amid their comical back-and-forth, affection gradually blossoms. Faced with the Mu family's schemes, old family grudges, and a kidnapping crisis, the couple, both hiding behind masks, join forces to overcome their challenges and uncover the truth. As they move from mutual suspicion to unwavering trust, he begins a sweet romance with his clever and charming wife.