Prom becomes a battlefield for Berenger's presidential hopefuls. Tyler and Hadley quickly transition from attempting to take credit for prom to shifting blame, as sophomores Lee and Claudia endeavor to make the night a big win for the Bl'Gunty campaign. Chadebra battle to regain control of the night with more than one secret weapon in their back pocket. Matt Johnsmeyer learns the horrifying truth about his duties as Senior Class President.

On the last day of school at Berenger High, Berenger's new student council gets sworn in. Matt Johnsmeyer unleashes his wrath upon all who have wronged him over the past four years, only to learn that graduation may be further away than he thought. Tyler and Hadley say their goodbyes to their numerous foes in the senior class, and prepare for their own upcoming senior year. The fate of Chadebra is revealed.