Leung Chiu-Wai and Willy were cartoonists. One day when they were on the way to the office, they knocked down a female ghost, Joey Wong. Joey's spirit was thus thrown into the human world. Joey knew nothing as it was the first time she had come to this mundane environment. At this time, she met another demoness, Deanie Yip. Yip and her son were sentenced to death by village people because of adultery. Yip didn't do it, but nobody believed her. Yip's only hope was to revive her son from the dead. Thus when Yip met Willy, she selfishly kept herself and her son inspired by Willy's human spirit. She also intended to hurt Wai to get away from Yip. Joey encouraged Wai to be a good cartoonist. As Wai got more and more famous, Joey became weaker and weaker, hurt by Wai's flourishing human vitality. Wai and Joey in fact were lovers in their previous lives. They were bound to be lovers again...