In the unruly world of high school, Oscar is stuck sitting next to Jamie, a relentless snitch who can’t seem to mind his own business. Oscar takes matters into his own hands to try and stop Jamie’s constant tattling. Meanwhile, he steps in to help his friend Andrew escape the dreaded astronomy class. When their math teacher is replaced by a dreadful substitute, Oscar, Freddie, Andrew, and Jack band together to bring their old teacher back. The chaos peaks when the school attempts to elect a student leader, resulting in a hilarious and disastrous outcome.