In 1980s Yuezhou, Shen Zhitang suffers relentless mistreatment from the Lu family. Three months pregnant, she undergoes an abortion alone and asks a lawyer to prepare divorce papers, determined to leave with nothing. Her husband, Lu Huaichuan, is busy currying favor with Ye Mingwei, an overseas Chinese businesswoman, and couldn't care less about his wife's departure. Shen Zhitang moves into Qinghuai Alley and begins her revenge. In reality, she is the mysterious boss behind the Tang'an Chamber of Commerce. She orders all special privileges granted to the Lu family to be revoked. When Ye Mingwei uses a major overseas contract as an excuse to borrow money, Shen Zhitang takes the stage at a chamber of commerce coordination meeting and exposes her fraud with a complete chain of evidence, including original telegrams and warehouse receipts. Lu Huaichuan breaks down, finally realizing that the wife he despised for two years was the real mastermind all along. Shen Zhitang terminates all cooperation with the Lu family and signs the divorce agreement.