2003 film directed by Andrew Lau and Alan Mak

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.

1991 film by Ching Siu-tung

1990 film by Wong Kar-wai

Two neighbors form a strong bond after both suspect extramarital activities of their spouses. However, they agree to keep their bond platonic so as not to commit similar wrongs.

Two melancholic Hong Kong policemen fall in love: one with a mysterious underworld figure, the other with a beautiful and ethereal server at a late-night restaurant.

Ip Man's peaceful life in Foshan changes after Gong Yutian seeks an heir for his family in Southern China. Ip Man then meets Gong Er who challenges him for the sake of regaining her family's honor. After the Second Sino-Japanese War, Ip Man moves to Hong Kong and struggles to provide for his family. In the mean time, Gong Er chooses the path of vengeance after her father was killed by Ma San.

The battle of Red Cliff continues and the alliance between Xu and East Wu is fracturing. With Cao Cao's massive forces on their doorstep, will the kingdoms of Xu and East Wu survive?