Based on Ben Mezrich's book, 'Bringing Down The House', 21 brings together Academy Award Winner Kevin Spacey (The Usual Suspects), acclaimed Jim Sturgess and young Hollywood super star Kate Boswoth (Superman Returns) in this clever and adreniline filled heist film. Jim Sturgess stars as shy but brilliant M.I.T math whiz Ben, who is recruited by a teacher to join a specialized team of card counters. They head to Vegas to try their luck at the casinos with their knowledge of how to turn the odds in their favour. As they begin to win big, Ben and sexy teamate Jill break away from their mentors and push the boundaries of the casino... But they have a struggle ahead of them to stay out of reach of the casino security.