Hurtling down the track, careening around, over and through the competition, Speed Racer (Emile Hirsch) is a natural behind the wheel. Born to race cars, Speed is aggressive, instinctive and, most of all, fearless. His only real competition is the memory of the brother he idolized-the legendary Rex Racer-whose death in a race has left behind a legacy that Speed is driven to fulfill.
Two strangers awaken together to discover they've gotten married following a night of debauchery in Sin City, and one of them has won a huge jackpot after playing the other's quarter.