Banker Fung Yan-tsang is a seasoned criminal in fraudulent activities. The righteous cat burglar Ham Siu-fo has issued a deadline for Fung to return the scammed money. Despite the obstacles put up by Fung's allies Chow Wai-pak and his stepwife Julie, Ham still manages to reclaim the money which is accordingly returned to the customers. In the process, Ham is reunited with her long-lost twin sister Katherine, Chow's daughter. Since losing her mother whose health took a turn for the worse after Chow's marriage to Julie, Ham has undertaken a chivalrous course in the footsteps of her aunt. She thwarts the scam marriage set up by Fung for Katherine and his idle son, using the servant Chu Yat-keung as bait, and exposes Fung's illicit affair with Julie. Crossing boundaries of class and wealth, the servant Chu and Katherine become man and wife. A happy Ham leaves, continuing to devote her life to the causes of social justice.
as Ham Siu-fo / Katherine Chow Suk-yee
as Chow Wai-Pak
as Julie, Chow's Stepwife
as Keung's Mother
as Fung Fung-Cheuk
as Boss of Thugs
as Fung Yeung-Chung
as Ham Siu Fo's Aunt (Hung Giu)
as Village Neighbor
as Village Neighbor
as Thug
as Thug
as Village Neighbor
as Thug
as Village Neighbor
as Guest at Birthday Party
as Cook
as Thug
as Thug
as Thug
as Thug
as Chu Yat-keung
