This work is AI-generated. After returning to her hometown, Cu Xinwei found that the old vinegar workshop had stopped brewing for many years, and she decided to restore the ancient method of making vinegar to make the old workshop exude the aroma of vinegar once again. She teamed up with Su Xiaoqu to restore the vinegar starter, Lin Gaoliang to plant high-quality sorghum, He Xiaolin to master the heat of pouring vinegar, and Zhou Xiaogang to manage the vinegar vats. The ancient method vinegar gradually opened up the market, and e-commerce orders and vinegar dishes brought popularity. After all safety inspections passed, Cu Laotou handed over the vinegar-making notes, heavy rain damaged part of the roof, the whole village rushed to repair it overnight, and Cu Laoniang guarded the vinegar workshop with old craftsmanship. Finally, the vinegar-making festival was successfully held, the old vinegar workshop became a collective industry, young people returned to their hometowns, and the ancient method vinegar regained new life.