Su Jianjia and Mu Yunshu were married to Changning Marquis Shen Heting and Shen Zhui respectively, but Su Jianjia got into the wrong sedan chair and became Shen Zhui's wife. Everyone thought it was her deliberate move, but in fact it was Shen Zhui and Mu Yunshu's plan, and the legitimate son of the Hou Mansion was actually their offspring. After she was poisoned, she was reborn and returned to the day when she married into the Hou Mansion. At this time, the two of them had not boarded the wrong sedan chair.
