Being left-handed means choosing what's right. Matt Reynolds thought he was ordinary. But on the day he turns sixteen, he learns he's part of a select group of left handers, called sinisters, chosen to protect the world from evil. When Matt reluctantly agrees to join the fight, he's given a task: find out what one of the most powerful businessmen in Matt's hometown is doing, and stop him. With the help of a few new friends, Matt begins to unravel...