Before director Lo Wei helped to discover Bruce Lee and the king of kung-fu comedy Jackie Chan, in Madam Slender Plum, Lo perpetuates the career of yet another Shaw's non-action, femme fatale starlet; the sleek and sexy, puppy-eyed Eurasian Jenny Hu. It's a murder-mystery in the vein of an old Alfred Hitchcock movie where Jenny plays the feigning ignorant older sister to the coquettish Diana Chang where each have an affair with the same cheating man.