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...
In Japan, the vampire-hunter Saya, who is a powerful original, is sent by her liaison with the government, David, posed as a teenage student to the Yokota High School on the eve of Halloween to hunt down vampires.
When record store owner Rob Gordon gets dumped by his girlfriend, Laura, because he hasn't changed since they met, he revisits his top five breakups of all time in an attempt to figure out what went wrong.
Rocky and Bullwinkle have been living off the finances made from the reruns of their cartoon show. Boris and Natasha somehow manage to crossover into reality and team up with Fearless Leader, an evil criminal turned media mogul with some evil plans up his sleeve.
Two French policemen, one investigating a grisly murder at a remote mountain college, the other working on the desecration of a young girl's grave by skinheads, are brought together by the clues from their respective cases.