Henry Spivey is a middle-class efficiency expert living a humdrum life in the suburbs with a wife, two kids, a dog, and a minivan. Edward Albright is an operative who speaks 13 languages, runs a four-minute mile, and is trained to kill with his teeth. Henry and Edward are polar opposites who share only one thing in common -- the same body. When the carefully constructed wall between them breaks down, Henry and Edward are thrust into unfamiliar territory where each man is dangerously out of his element.

Who can you trust when you can't trust yourself?