La Pin, a sinister sorcerer from Thailand who earns money by placing spells of domination on people. Fa La-ting is his zombie murderess, controlled by a metal spike which La Pin has driven into her skull, and rival sorceress Sofia sends her sexually ravenous midget ghosts after Fa to avenge one of the zombie's murder victims. The main story line concerns a young man named Ming who pines for a beautiful girl, Chun Yin, and yearns to win her away from her suave boyfriend Wong Wai. Ming goes to Nanyang and becomes the sorcerer La Pin's apprentice, picking up enough knowledge to invite the couple to Thailand, and set his plan of enslaving Yin and murdering Wai in motion. After placing the Crazy Love Curse on his intended victim, however, Ming is in over his head, as Wai enlists the aid of the powerful sorceress Sofia to get his beloved Yin back.

Hung is disappointed when her man, Yuk Lung, becomes engaged to pretty Pai Lin. Hung and her scheming mother engage a sorcerer, Ko Yin Yau, to place a spell on him. Yuk Lung becomes possessed by the Adultery Ghost, and he leaves Pai Lin in the middle of having sex with her, going to Hung. Pai Lin and her friend Nancy rush to Thailand, seeking the help of another sorcerer, Simol. The title alludes to the battle of the two spell-casters, through their two hosts. Along the way, plenty of excuses are found to get all the clothes off a number of lovely young women.