A hired killer pairs up with an amateur filmmaker to provide clients with satisfying footage of enemies getting whacked.

When the Hong Kong government enacts a ban on smoking cigarettes indoors, hard-core smokers are driven outside and a budding romance develops between two co-workers.

Bon Bon, a resident of Tuen Mun, who's always attempting to implement his latest pyramid scheme. Bon Bon saves daffy local girl Snooker from a potential rapist and decides to implement his latest scheme, "One Dollar Bodyguard": he'll protect women on their evening strolls for one HK dollar. Bon Bon has to attend to his own problem, which is his inability to ride in a moving vehicle, that strands him in Tuen Mun for life. And there's the romantic issue with Snooker to resolve.

White Snake has come to Hong Kong to escape her lover Black Snake. To lure her out, Black Snake and Green Snake go on a murder and seduction spree in the big city. Police Officer Wang takes up the case, recovering a mysterious stone from a crime scene. He seeks advise from reclusive snake expert Professor Chen who explains that it's a rare fossil of snake eggs. Meanwhile, Black Snake begins falling in love with Officer Wang while Professor Chen finds himself with a mysterious beautiful new assistant who claims to be a student of Human Psychology from Beijing...

Women enter and exit a science fiction author's life over the course of a few years after the author loses the woman he considers his one true love.