Laura London is a magician who travels the world with just a deck of playing cards. Her passion for the secretive world of sleight of hand artists and crooked gamblers led her to make some extraordinary discoveries. CHEAT reveals the story of Geraldine Hartmann, a card cheat from the 1920s. Geraldine's love affair with poker, and the cheating techniques she used to part the suckers from their money, are told through the entries in her personal journal.