The Su family finds their biological daughter Su Qingyuan, who has been separated for many years, but due to family debts arranges for her to take the place of adoptive daughter Su Yao, marrying a husband rumored to have been in a car accident. Faced with the sudden marriage, Su Qingyuan cares for her husband attentively with sincerity and patience, gradually discovering that he is secretly recovering. Whenever she encounters difficulties, a mysterious masked person always helps her in a timely manner, making her feel trust and warmth again. Facing Su Yao's misunderstandings and harassment, she clarifies the facts and defends her dignity with wisdom, and gradually discovers that the masked person is her husband. Afterward, investigating the car accident incident together with her husband, the family scandal is slowly uncovered, and the two gradually fall in love.