[Machine Translation] The legend will never fade away! The award-winning "Infernal Affairs" series, a milestone in Hong Kong cinema that shook the world, is now available on three full-length discs: [Disc 1] "Infernal Affairs", [Disc 2] "Infernal Affairs II: Interlude", and [Disc 3] "Infernal Affairs III: Final Fantasy". All in one collection! Ironically, two 18-year-olds are ordered to infiltrate the police and the mafia, respectively, at the same time, under the cover of their identities. Ten years later. Ten years later, Yang ( Tony Leung ) infiltrates the mafia and Lau ( Andy Lau ) infiltrates the police. Both sides reveal the existence of a mole, and the police and the mafia begin a search for the traitor. Finally, the time has come for the two to confront each other. And so begins their uninterrupted hell...