Sai Moon-Kin can be really a man who works hard to please as much women as he can, and idolizes Lawrence Ng's personality in Zen and the Sex. When marrying off his retarded son, he finds his son's new wife pretty sexy, so he takes her for their own, unsure that she could be your wicked Mirage Woman, who knows"sucking" magic that is pretty nasty. Tsui's girl, who dresses like a man and wears chastity belt for the major part of the movie, and also the righteous Ironman make an effort to stop Mirage Woman until it's too late, which means that she'll have free rein to"suck" anybody she wants.