The Prospective Mother-in-law's Test

Song Li is secretly investigating her prospective daughter-in-law Zhao Yuzi, only to be insulted, imprisoned, and forced to sign a confession. Even her ancestral jade pendant is shattered. Zhao Yuzi, unaware of Song Li's identity, boasts about her marriage agreement and even tampers with antiques in the shop. Song Mingyu is deceived and insists on proposing. Bai Yuqing presents evidence to reveal the truth, leading Zhao Yuzi to prison for theft. Three years later, upon her release, she attempts to take revenge on Bai Yuqing with a knife, but is subdued and sent back to prison. Song Mingyu finally realizes his mistake and falls in love with the honest and kind Bai Yuqing.