An invisible woman is kidnapping newborn babies who are destined to be emperors and delivering them to the mysterious subterranean supernatural Evil Master. The police are powerless, and the city must be saved by three very different women who share a terrible past. Anita Mui plays the mild-mannered wife of a police inspector who's also the mask-wearing, sword-slinging and knife-throwing crime fighter, Wonder Woman. Maggie Cheung plays the shotgun-toting, hard-boiled bounty hunter, Thief Catcher. Michelle Yeoh is Invisible Woman, the troubled but determined strong right arm of the Evil Master.