Happy Ghost 4

A group of college kids discovers an ancient evil warlord’s remains from a cave and brings it back to their dormitory, ultimately awakening the warlord’s ghost. He is seeking revenge against the woman responsible for his death many years ago, who has since reincarnated as college professor Hong Sam Kwai’s girlfriend, Annie. With Kwai and Annie endangered, Kwai’s reincarnated spirit, Stewart Pik, takes over in attempts to save him and Annie and to defeat the demon.