In August of 1991, the alums of Camp Firewood return to Maine for a long-awaited reunion.
Beth drops a bombshell; McKinley grows suspicious of the nanny; Andy spars with the new cool kids at camp.
Katie and Andy head out on a mission to save the camp; Lindsay follows a hot tip; Donna approaches Victor with a surprising request.
A newcomer disturbs the chemistry at camp; Mitch reaches out to an old friend for help; Susie's return to the theater creates a stir.
Andy challenges Deegs to a "King of Camp" showdown; Neil helps Vic prepare for his big moment; troubling discoveries abound for the gang.
As a storm lashes the camp, tensions between lovers and rivals boil over; Vic's date takes a turn for the weird.
Mitch's posse scrambles to stop Reagan's plan; Coop delivers an emotional speech at the dance; a shocking secret is revealed.
With the clock ticking and their options running out, the Camp Firewood family braces for disaster.