Shen Qing, a modern cosmetics formulation expert, transmigrates into the body of the daughter of an impoverished merchant in Qingxi County. Her father has died, leaving behind a massive debt of twenty taels of silver. Relying on modern cold-process soap-making techniques and using discarded flower petals and leftover fats as ingredients, she fights her way to success and becomes a leader in the local cleansing and haircare industry. Shen Qing partners with various merchant houses in the prefectural city, establishes unified quality standards for cleansing and haircare products, and builds sales channels spanning multiple counties, bringing the products of Qingfang Soap Workshop to more and more places. From a destitute orphan burdened with twenty taels of debt to a renowned industry leader, Shen Qing completely turns her life around through her skills and intelligence.