Chan Wing Yan, a young police officer, has been sent undercover as a mole in the local mafia. Lau Kin Ming, a young mafia member, infiltrates the police force. Years later, their older counterparts, Chen Wing Yan and Inspector Lau Kin Ming, respectively, race against time to expose the mole within their midst.
In Tokyo, a young woman (Tamblyn) is exposed to the same mysterious curse that afflicted her sister (Gellar). The supernatural force, which fills a person with rage before spreading to its next victim, brings together a group of previously unrelated people who attempt to unlock its secret to save their lives.
Infernal Affairs III is a 2003 Hong Kong crime thriller film directed by Andrew Lau and Alan Mak. It is the third installment in the Infernal Affairs film series, and is both a sequel and a semi-prequel to the original film, as it intercuts events before and after the events in the original.
In this prequel to Mou gaan dou (2002), Chan Wing Yan has just become an undercover cop in the triads while Lau Kin Ming joins the police force. Both the triads and the police find an enemy in a rival crime boss.
An evil Duke attempts to kill and collect the blood of a royal family of European vampires in order to become all powerful. The only surviving member of the family travels to Hong Kong, only to complicate his struggle by falling in love with a mortal girl who just happens to have a vampire hunter for a brother.