A captivating examination of human obsession and love, Woman of the Night offers three stories in one film. In the first tale, a perverse young student with a voyeuristic habit spies on two of his female roommates. The second story follows an office manager who develops an infatuation with his secretary. The last part is a complex family drama about a debilitated father who forces his family to leave him, only to have a bittersweet reunion when his daughter’s life is threatened.

Eine mysteriöse Mordserie erschüttert Hongkong! Sowohl die Polizei, als auch die Presse ermitteln und tappen im Dunkeln. Bald stellt sich heraus, dass hinter den Morden ein Schlangenmonster steckt, welches von einer Schlangengöttin gesteuert wird. Die Göttin ist eine bildhübsche Frau, die per Magie ihre Opfer durch die Monsterschlange töten lässt. Der Cop Jacky Ko führt die Polizeitruppe an, die hinter dem Monster her ist. Zur Unterstützung fordert er aus dem Ausland Richard (Richard Harrison) an, der umgehend nach Hongkong reist. Richard ist auserwählt, die Frau und das Monster zu vernichten. Es beginnt ein Kampf auf Leben und Tod!

One night in Taipei, a female factory worker is killed on her way home. Koh Kang-young, the lead detective, concludes that she was killed by a poisonous snake from the bite marks left on the victim's neck. Reporter Lee Ok-jung rebuts his theory in her article. Through this incident, Detective Koh and Ok-jung meet frequently and they become friends. Afterwards, two more women are killed in the same manner. It is revealed that Ok-jung can't account for her whereabouts for each murder. When another murder is committed, Detective Koh finds out the truth about Ok-jung. When Ok-jung was three, a unique snake bit her. Therefore, she kills people by biting them like a poisonous snake.