The Special Duties Unit (SDU) is an elite paramilitary tactical unit of the Hong Kong Police Force and is considered one of the world's finest in its role. But being the best carries its own burdens. Like everyone else, they go through troubles with love, with family and with their jobs. And sometimes they get horny. This touching story is about Special Duties Unit Team B and their trip to Macau for a weekend of unadulterated debauchery.

Airline pilots Cool, Sam and Guy were proud womanizers whom all took tremendous pleasure in making the rounds with every stewardess they came across. But one day during a seemingly routine flight, they encountered a violent magnetic storm that sent them falling through a wormhole. Upon landing, they assumed the storm had blown them off course onto a film set, but in reality, they had travelled back in time to Ming Dynasty, China.

The story of Chinese legendary anti-hero Zhong Kui, a young man endowed with mysterious powers who is forced into a battle among the realms of Heaven, Earth and Hell in the course of his attempt to save his countrymen and the woman he loves.