火星异变Press Your Luck is a pic based on a true story of an unemployed ice-cream truck driver who won big on a 1980s game show.　　Set in 1984, the film follows Ohio resident Michael Larson, who steps on to the set of game show ‘Press Your Luck’ harboring a secret: the key to endless amounts of money. But his winning streak gets threatened when the executives in the control room start to uncover his real motivations.