Doctor and whip-wielding Hero Chai Tin-sum travels to an isolated village where he finds the population dying of the plague while being oppressed by the Ku family and their fortress. The family has cutoff the supply of fresh water to the village causing calamity. Chai must find a way to defeat the Ku family and restore water or the village will die.

Further adventures of Lady Black Cat.

Cheung Yan-Lai, framed by his elder brother Cheung Yan-Tsuen, is sent to jail. He manages to escape and plans to take revenge along with a sorcerer, who uses orangutan blood to turn the Yellow Hair Monster into a lethal weapon.