share time: 2026-01-21 02:31:57
Lin Zhaozhao, born into a scholarly family, is forced to marry into the Gu family, a powerful merchant clan in Jiangnan, as the mistress. Everyone mocks her as a "weakling who only reads books." But when her mother-in-law tries to sell her dowry books, her brother-in-law steals the shop's seal to gamble, the steward embezzles money, and even a rival tries to ruin the Gu family's business, this jade-hairedpin-wearing mistress suddenly "strikes back"—using *Suan Jing* (Mathematical Treatise) to expose fake accounts, *Li Ji* (Book of Rites) to convince her mother-in-law, *Tang Code* to sue blackmailers, and even slapping a bully who bullied the family's workers with a "reasonable slap." Her husband goes from "afraid she'll cause trouble" to secretly gathering information for her, and the old shopkeeper praises her: "Her slap hits the wrongs and warms the hearts." But just as the Gu family expands their business to the capital, Lin Zhaozhao receives an anonymous letter: "Your father's death is a debt the Gu family owes." Holding the letter, she looks at the old locust tree where her father sent her to the Gu family years ago, realizing she has to face a secret the Gu family has hidden for twenty years...
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