Nerdy office worker Min gets his kicks taking sneaky snaps of his female co-workers, spying on his neighbours having rough sex, and coating himself in oil before bashing one out to internet porn; things change, however, when he mixes ingredients from his late grandfather's medicine shop to create the ultimate aphrodisiac/date-rape drug, which he uses to satisfy both his sexual urges and his desire for revenge on office bullies Winnie and Peter.
Fu Tien-Ming is the subject of an experiment that turns him into the hero known as Shadow Mask. When his arch nemesis, Red Goddess, escapes from prison, she is determined not only to stop Shadow Mask, but to kidnap a scientist who has come across a discovery involving DNA.
May is a prostitute with both a sick mother and son to look after. After being raped and accidentally killed by a group of construction workers, her ghostly self takes over the phone lines to execute revenge.
