Andy Lau is Wesley, investigating alien existence on this earth. He works outside of the MIB-influenced FBI operation, run by Shu Qi and Roy Cheung. They're hot on the trail of the Blue-Blooded Alien (Rosamund Kwan). Two other aliens, the "Warlock Toxin Group," are gunning for her as well -- red maggoty swarming creatures that form into Mark Cheng and Almen Wong.

The Y2K Bug. Real Warfare vs Electronic Gaming. Peter Tong, a carefree Hong Kong youngster, finds himself drawn into the web of a deadly espionage conspiracy. A clandestine organization schemes to use the Y2K Bug to cause mayhem throughout Asia. To survive, Peter has to call on reserves of courage and stamina he has never needed before.

Blue, Tango, and C.S. are CIA research scientists working on Project VR Fighter, which is designed to train any unskilled person into a magnificent combat agent. Tango and C.S. decide to undergo the training themselves, because Alien, the international terrorist, has killed C.S.’s fiancée and kidnapped Blue for his conspiracy. However, the side effects of Project VR Fighter cause problems between the two friends and their mission is soon put into jeopardy.

After Hero Hua marries Jade and leaves her in China, he goes to America to work as a servant and rebels against cruel labour conditions. Jade soon joins him in New York, where they build a family.

During hard times in the Hong Kong film industry, an out-of-work actor talks a producer, writer, and an actor into making a movie together. They become gigolos to raise money for the production.

An undercover Japanese cop tries to find some girls who have mysteriously disappeared in Hong Kong.