Luk exposes Hsueh's disguise as Embroidery Robber. Hsueh angrily returns home. When Luk arrives, she tries to drug Luk, but Luk outwits her. Luk tries to make enquiries from Old Lady Hsueh, and seeing her preoccupied, he senses something fishy. Eventually, she is found mysteriously murdered, and before her death, she orders Luk to take good care of Hsueh Ping. A masked person hires Szu Kung to steal the red silk handkerchief from Luk. Luk outwits Szu Kung and forces him to take him to see the masked person. While taking Lμk to Chi Hsia Mansion, Szu Kung slips away, much to Luk's anger. Luk meets Chiang Chung-wei and his sister Chin-hsia, but fails to obtain any clue from Chiang. Then Luk meets Hsueh Ping outside the mansion, who frankly tells him she's here to hand the red silk for Szu Kung to a contact man. So Luk, suspecting Chin-hsia, interrogates her, but she flees……