The senior year of high school seems like the best of times for some. And from the outside looking in, popular star athlete Francis "Mack" McKyer appears to have it made. Appearances can be deceiving. In season 4 of this series, Mack returns to the football field at the start of his senior year. Or at least he would like to. His teammates and coaches sure want him there, hoping he'll lead them back to another Metro Championship game. Unfortunately, it's not as easy as just showing up. Disciplinary measures from the past haunt him. Circumstances off and on the field undermine the best of intentions. In fact, it's beginning to look like this best of all possible senior years might just blow up in his face. High school politics, inflated egos, a hostile school vice principal, and the breaks of the game all add up to unexpected challenges for Mack and his friends, old and new. At times he is ready to give up, leave school, and get on with his life--whatever that may mean. Will the loyalty and quick thinking of those closest to Mack, plus his personal courage and determination, be enough to alter what seems the inevitable cost? Maybe.