Fourteen-year-old Fang Youxi rescued 17-year-old Mu Wangbei who was being hunted after her grandmother's funeral. Ten years later, Mu Wangbei deliberately approached Fang Youxi, who had returned to China, and started his long-planned pursuit. Due to her original family and past pain, Fang Youxi adheres to the principle of non-marriage and dislikes intimate relationships, but she is deeply attracted to Mu Wangbei. The two fell in love and lived together. She tested her sincerity, but he calculated every step of the way. Mu Mu's pressure forced the two to break up. Mu Wangbei suddenly woke up and put down his obsession with marriage, and pursued love again without hesitation. But aristocratic marriages and family feuds came one after another, and the Mu family's six-month appointment made her finally put down her guard and determined to go through thick and thin with Mu Wangbei.