Every year, Noah and his close friends Howie, Luke, Keegan, and Max embark on a weeklong vacation to Fire Island, noted for its gay villages. The group takes the ferry from Sayville, New York on Long Island's South Shore to Fire Island Pines, and are reunited with their "house mother" Erin. Erin reveals that she has to sell her house, making this the last week they will spend together. The group meets Charlie, a doctor, and his wealthy friends, including Will, a lawyer, and Cooper. Howie and Charlie take interest in each other. Noah decides that his mission for the trip is for Howie to get laid. Charlie invites the group to his house, where the group gets drunk and causes a scene while Charlie and Howie get closer. Noah overhears Will criticizing the group's behavior.

The next day, Noah will invites Charlie and his friends to dinner at Erin's. At the grocery store, Noah meets Dex and they flirt. After seeing that Will dislikes Dex, Noah invites Dex to dinner as well. Charlie, Cooper, and Will arrive for dinner, and Noah and Will discuss books, surprising Noah. Dex arrives, making Will uncomfortable. Dex claims that Will judges him for making content on OnlyFans.

Howie tells the group that he and Charlie kissed, making Noah more intent on making the two a match. The group attends the weekly underwear party in Cherry Grove and do an assortment of illicit drugs. Cooper implies to Noah that he wants Will for himself and accuses Noah's growing attraction to Will of being based on money.

Noah meets up with Dex again. They head to the dark room to have sex, but Noah is distracted by Will and accidentally hits Dex in the nose. This causes a public confrontation between Cooper, Will, Dex, and Noah, during which Noah sees Charlie making out with someone that is not Howie. Noah gathers his intoxicated friends and Howie, who is distraught about Charlie. Noah walks back to the Pines with Will and they fight. Noah accuses Will of being uptight and judgmental, and Will tells Noah that Noah is pretentious even if he pretends not to be. At an afterparty in the Pines, Howie and Noah fight. Howie wants to give up on searching for romance and tells Noah that their experiences are not the same just because they are both gay and Asian, citing issues of body dysmorphia.

Noah is woken up the next day by his friends delivering a letter from Will. Will apologizes for the impression he gave and explains that Dex hurt someone close to Will in the past. Charlie arrives to tell Howie that he has gotten back together with his ex-boyfriend, who has lyme disease, and will be leaving the island sooner than expected.

Noah runs into Will at a drag bar. He shows Noah Dex’s Instagram profile, on which he posts thirst traps with activism tags (“Black Lives Matter” and “Stop Asian Hate”) to get attention. Noah and Will grow closer. Later, the group learn that Dex has posted a video of him and Luke having sex online without Luke's consent. Will helps Noah confront Dex by threatening legal action. Dex agrees to take down the video.

The next day, Howie tells Noah he is leaving because he cannot get over Charlie's rejection. Noah confronts Charlie, who acknowledges that he has feelings for Howie. Noah and his friends hijack a water taxi to catch up to Howie's. Charlie express his feelings to Howie, and they kiss. The group goes to watch the sunset. Noah and Will dance together and finally kiss, agreeing to give their relationship a try.