PLOT: Infernal Affairs is all about secret identity: A gang member is actually an undercover cop, a higher-up in the detective squad is actually on the triad payroll. The two "moles" race to find each other, and plenty of bloodshed ensues.

Infernal Affairs is a Hong Kong crime thriller of the heavily hard-boiled variety. The film, which is being remade for western audiences, stars Andy Lau and Tony Leung as police officers who follow very different paths.
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