A mysterious woman, known as Madame M, kidnaps forty pre-teen girls and transports them to a remote island to train them as the most deadly assassins. CIA operative Jack Chen follows the case for 6 years with no leads, but when a series of assassinations begin to occur, Jack suspects that Madame M is back in business.

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.

Mentally-challenged Fai (Eric Kot Manfai) lives a simple life with his mother, but he is eventually abandoned by her when she leaves him to get remarried. Living with a family friend, Fai bumps his head in a serious accident, and the subsquent surgery turns him into a genius. However, Fai's gain in intelligence also means the loss of the innocence he once had.

A deep pool of family secrets overruns its banks as two young lovers decide to tie the knot. But, sorting truth from deception leaves everyone gasping for breath.

Hui Man Keung is washed up on a beach near Shanghai. He is taken in by Ding Lik, a kindly beggar who is in love with Fung Ching Ching, the daughter of a prominent gangster. It isn't long before Ding Lik rises through the underworld ranks to become one of the city's most powerful gangsters.

A new accountant starts a job eager to prove herself but soon realizes her superiors are acting weirdly and doubts if they are actually alive; A woman finds out her boyfriend is cheating with her best friend, leading her to despair and suicide, only to discover his evil plan after her death; An elevator repairman neglects his wife because of his work. Influenced by a ghostly woman, the wife begins to think about using suicide to get her husband to care for her.