A thorough investigation of the Duke of Yu Manor's storerooms that uncovered extensive corruption. In Jiang Lingyuan's assigned storerooms alone, thirty-six items worth sixty to seventy thousand taels of silver were missing and seventeen antiques were replaced with counterfeits. Over one hundred people were ultimately implicated, and more than one hundred people were sold off. The investigation revealed purchasing agents colluding with merchants, gatekeeper matrons accepting bribes, and improper relationships between maids and male servants.