About a guy whose life didn't quite turn out how he wanted it to and wishes he could go back to high school and change it. He wakes up one day and is seventeen again and gets the chance to rewrite his life.
A gang member, suffering from severe memory loss, searches for his brother's murderer. He secretly enlists the aid of the investigating Detective, while other members of his gang are mysteriously and sadistically murdered.
In New York City, a young counterfeiter (Tatum) is introduced to the world of underground street fighting by a seasoned scam artist (Howard), who becomes his manager on the bare-knuckling brawling circuit.