Song Li pretended to be poor to test her prospective daughter-in-law Zhao Yuzi, but was insulted, imprisoned, and forced to sign a confession by her, and her family heirloom jade pendant was also smashed. Zhao Yuzi, unaware of Song Li's identity, proudly flaunted the engagement and even swapped antiques in the store. Song Mingyu was deceived and insisted on proposing marriage. Bai Yuqing presented evidence to expose the truth, and Zhao Yuzi was imprisoned for theft. After being released from prison three years later, she retaliated by holding Bai Yuqing hostage with a knife, and was arrested and imprisoned again after being subdued. Song Mingyu finally woke up and fell in love with the upright and kind Bai Yuqing.