Xu Shunian accidentally entered a wrong marriage with Gu Jingran, the eldest son of the Gu family who suffered from injuries and illness. For five years after marriage, Gu Jingran remained trapped in his past emotional knots and always kept his distance from her with cold indifference. After an argument, Gu Jingran insisted that she retrieve an old token, and Xu Shunian unfortunately fell into the water and met with danger. Through a twist of fate, she was granted three days to return to the mortal realm and could choose this marriage anew. Xu Shunian resolved to get a divorce, but met with obstruction from her natal family, and her mother-in-law also handled the divorce procedures without authorization. Until Xu Shunian's soul was about to scatter, Gu Jingran suddenly came to his senses and spared no cost to retrieve her soul. The two were reborn after surviving a calamity, made a three-year pact, and joined hands to face the numerous trials ahead.