High school hockey star Chris (Joseph Gordon-Levitt), after driving without his headlights on to impress his girlfriend, winds up with brain damage... short term memory loss. Trying to get his new, handicapped life going, he becomes a janitor at a bank. A gang takes notice of Chris and includes him in their plans for a heist. Inevitably though, he starts to understand he's being used and sets about bungling it up for them.