Straitlaced teacher Andy Campbell inadvertently instigates an altercation with hot-headed colleague Ron Strickland, resulting in Ron’s firing. In retaliation, Ron challenges Andy to an after-school fist fight. As news of the impending brawl spreads, chaos ensues in the high school. The film hilariously explores the pressures of teaching and the absurdity of settling conflicts through physical confrontation in an educational setting.