Mona Lam, who works for a swindling syndicate under duress, scours a nightclub for her new prey and finds the rich heir Cheng Siu-chuen. Struggling to find true bliss, the lovers gain the blessing of Lam's second uncle. On the eve of Cheng's father's birthday banquet, Lam is pressured to strike again under the watchful eye of Lucy sent by the man who's pulling the strings on the marionette behind the scenes who has threatened to kill Cheng. The quick-witted woman aborts the operation, claiming t...