Jiang Nian is reborn on the eve of her engagement. In her previous life, she eagerly married into the Prefect's household, devoting herself wholeheartedly to the family, only to endure endless mistreatment and eventually die alone after falling ill. Given a second chance at life, she is determined to avoid this marriage at all costs and simply live peacefully with her family. However, after her father saves the Prefect's life, the Prefect's household insists on marrying her into their family. To protect her loved ones, Jiang Nian has no choice but to agree to marry Qi Heng, on the condition that they will divorce once the danger has passed. After marriage, Jiang Nian stands her ground and refuses to let herself be mistreated again. Although the regrets and wounds of her previous life remain vivid, Qi Heng's sincere care and protection gradually win her heart. Amid the turmoil of a troubled era, the two slowly overcome their past grievances and find their own happily ever after.