After taking over the cloth shop her father left behind, a young shopkeeper discovers repeated discrepancies in the accounts and unexplained shortages in the fabric inventory. Faced with suspicious old records, harassment from competitors, and a business crisis, she does not rush to accuse others. Instead, she insists on checking every entry to uncover the truth. With the help of a shrewd scholar she meets on her travels, she gradually unravels the secrets behind the accounts and comes to understand the importance of honest business practices and mutual trust. Faced with temptations of profit and tests of personal relationships, she steadfastly upholds her principles, persuades others with reason, and protects her father's legacy through her actions.