Writer
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.
Original Story
The three heroines, Wong Ang, Wu Nga, and Heung At expose a murder case involving three dead bodies found in an old temple. Unbeknown to the trio, they've fallen in a trap laid by gangster Hui Pui-shing, who desires to avenge his brother's death by eliminating the women. With the cooperation of Hui's righteous subordinate, the police arrest Hui for smuggling tobacco and seizes their forged banknotes.