In medieval China, three sexy serpentesses need the essence of virgin males to defeat the evil Yinsan Monster, so they go on a quest which leads them to an inn occupied by an impotent landlord and a western Christian missionary with revitalising properties.

• New Sam Po Film Co.
• Man Wah Tsui
• Yau Yuk-Yue
• Fan Lai Chau
• Lee Chung-Ling
• Dick Wei
• Charlie Cho Cha-Lee
• Wong San-Gwan
• Chai Hon