Kuang Tianyou lives like an ordinary person in the bustling streets of modern Hong Kong, together with his "son," Kuang Fusheng. Few know their true identities: they are vampires, bitten by the Zombie King, Jiang Chen, sixty years ago. They never age or die, and call each other father and son as they depend on one another, surviving only by stealing blood from hospitals. They become friends with their neighbors, Wang Zhenzhen and Ma Xiaoling, who live in the same building, and learn that Ma Xiaoling is a descendant of the exorcist dragon clan. Burdened by a family curse, she must never cry for a man, making romance impossible for her. As they spend time together, Wang Zhenzhen gradually falls in love with Tianyou, and Ma Xiaoling does her best to bring the two together. Tianyou cannot bear to hurt kindhearted Zhenzhen, but deep down he knows that he and Ma Xiaoling
