Set in the summer of 1981 at Camp Firewood, the narrative unfolds on the last day before the campers head home. The camp director aims to ensure everything runs smoothly and finalize a romance with an astrophysics associate. As camp counselors scramble to complete personal goals—ranging from confessing crushes to making scientific breakthroughs—comic chaos ensues. The story interweaves various subplots featuring relationships, attempts to impress, and quirky missions, punctuating the day with eccentric events and unpredictable antics.

The counselors navigate their way through a series of misadventures involving love triangles, artistic ambitions, and offbeat challenges. A promising young talent worries about impressing a theater director in a camp talent show, while other counselors enact bizarre plans, such as capturing goat-hungry killer aquatic life or planning against potential space debris catastrophes. Balancing light-hearted humor with over-the-top situations, it focuses on their collective desire for a perfect send-off to an unforgettable summer, leaving behind unresolved tensions and newfound bonds.