When accidentally destorying his workplace gets successful salesman Teddy (Kevin Hart) fired, he can't find another decent hob unless he finally gets his GED. But two major things stand in his way: Carrie (Tiffany Haddish), a teacher with no time for grown-up class clowns, and Stewart (Taran Killam), Teddy's high school nemesis-turned-principal who will do anything to see him fail. Now every school rule is about to be broken when they all go head-to-head in a wild battle of wits, pranks, and lessons you can't learn in books. Night School is in session!