An expert assassin - trained since childhood to be the perfect killer - loses her memory during a mission in Thailand, and ends up in the care of a wry ex-policewoman and her boxing cohort.
Professor Shiang's female students are chewed apart by the moon monster. At first, Shiang is a police suspect, but as the corpses mount, the cops realize that there are supernatural forces at work.
Mona marries a horny old man with a heart condition for his money while being pursued by a police detective. Secretly the old man's adopted son Wai is in love with Mona. Then Mona's cousin comes to visit and falls in love with Wai.
In Hong Kong, three drug dealers attack and rape a loving lesbian couple, murdering one of the girls. Three years later, the other girl runs into one of the attackers and decides to take revenge.
