On the eve of her son's wedding, Zhao Xiulan sees a video from her prospective daughter-in-law, Shen Jianing, learning that her husband, Chen Guodong, and Shen Jianing's mother, Sun Meiqin, are having an ambiguous affair, and the two intend to use the children's wedding to force her to hand over the tailoring shop under her name. Zhao Xiulan does not make a scene on the spot, preparing for the wedding as usual while secretly investigating along the clues. Accounts such as a three-hundred-thousand fake dowry, a two-hundred-thousand bogus renovation fund, and paying off eighteen hundred thousand in debts for Sun Meiqin are exposed one after another. She discovers that her husband has embezzled shop funds and also covets twenty percent of the shares in her hands. Having endured for more than twenty years, Zhao Xiulan resolves to no longer back down blindly.