Humiliated before the eyes of his young daughter at the company's parking lot, timid single father Joe painfully realises that he is no match for his co-worker and office bully Mark. However, as bruised Joe rapidly sinks into depression, much to everyone's surprise, he decides to get even. Now, it's up to former B-movie star and martial arts instructor Chuck to help Joe get in shape and, perhaps, save what's left of his crushed male ego. Before long, the rumours of a rematch start spreading like wildfire, and suddenly, a new Mr Popularity emerges. But is Joe up to the task? Above all, will his colleagues root for the underdog?