The murder of a loan shark linked to Hanxiao leads Peiyi and Huaijin to the Xiuhong House, where other missing palace maids are being held captive.

After their initial attempt fails, Peiyi and Huaijin go undercover to infiltrate Xiuhong House and find a captive palace maid.

Disguised as a dancer, Peiyi exposes the exploitation of palace maids at Xiuhong House and discovers a high-ranking official among its clients.

After a rescue mission ends in tragedy, Peiyi uncovers irrefutable evidence, finally identifying the true killer.