Story set in Thailand.
Jackie is a young woman determines to reverse her bad luck. She consults the God of Gold, who advises her to "nurse a ghost". That is, she is given a small figure to worship, and the worship includes dripping three drops of her own blood every three days.
At first, all goes well. For instance, the spirit punishes a man who accosts the girl by making him fall over and hit his head. Jackie runs into handsome young Raymond, and wishes to meet him again. That wish comes true, and they become a happy couple.
But this new happiness causes Jackie to forget to worship the figure, and the spirit doesn't like it. With good intentions, Raymond discovers his new love worshipping, and consults his friend Sam, who has studied "spritual matters" in Manchester. They try an exorcism, but it goes horribly wrong, and the spirit takes over Raymond, who starts doing nasty things.......