Set in a stylized late-Victorian world of dueling music-hall magicians and diabolically clever inventors, it has a satisfyingly puzzlelike structure, zipping around in time and scattering clues throughout its busy scenes and frames. Like “Memento,” also directed by Christopher Nolan and based on a story by his brother, “The Prestige” is a triumph of gimmickry, a movie generous enough with its showmanship and sleight of hand to quiet the temptation to grumble about its lack of substance.
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