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Early one morning, Marcos observes Juan successfully pulling off a bill-changing scam on a cashier, and then getting caught as he attempts to pull the same trick on the next shift. Marcos steps in, claiming to be a policeman, and drags Juan out of the store. Once they are back on the street, Marcos reveals himself to be a fellow swindler with a game of much higher stakes in mind, and he invites Juan to be his partner in crime. A once-in-a-lifetime scheme seemingly falls into their laps - an old-time con man enlists them to sell a forged set of extremely valuable rare stamps, The Nine Queens.