Qiao Yan, an orphan girl who carries the secret of her parents' death, falls in love with her adopted brother-in-law Gu Jingyuan, who is not related by blood. She is willing to marry in secret for love but suffers a lot. After reluctantly getting divorced, she discovers that the other person has always loved and protected her. After going through life and death,After the crisis, the two finally work together to clear the fog, gain true love, and reunite.