The crew is back together and ready for another summer full of fun and sun on the Vineyard, but a dark cloud looms over Jasmine and Jordan's friendship. While a new housemate makes her mark, Preston deals with some old, suppressed emotions. Jordan hosts a seafood boil, but things get crabby between Summer and Alex as a big secret is revealed.

While issues remain between Alex and Summer, things starts to get a little flirtatious between Alex and Noelle. As the house gets together for a night of fashion through the decades, a comment in jest leaves Shanice in tears. Nick, Jordan and Summer are on edge as a friendly gesture gets quickly misconstrued.

Nick gets to the bottom of Summer and Jordan's accusations while Noelle shoots her shot with Alex. Preston breaks down and Bria storms out after Jasmine calls a house meeting to discuss two potential guests of honor as Jordan reaches her breaking point in her battle with alopecia. After getting close last summer, Preston finds himself in the middle of Jordan and Summer.

Bria invites the group into her bad-and-bougie world as the tension between Summer and Jordan comes to a head. While Jasmine nears her breaking point, Noelle grapples with the aftermath of her confession to Alex.

After a tumultuous outing, Amir rounds up the house for a Texas-style rodeo day as Jasmine struggles internally about a surprise. Summer and Noelle revisit a topic that causes friction. Preston decides to confront a past issue.

The house fills up with the anticipated arrival of significant others while a few other guests aren't as welcomed. As Jordan prepares for her epic house party, Amir's girlfriend struggles to get comfortable. Summer's pent-up emotions erupt.

Summer deals with the aftermath of her outburst. Nick preps for his annual Luxe on the Bluffs event and the arrival of an out-of-town guest. Amir is confronted about a mistake from last summer. Bria faces another relationship woe.

Bria's frustrations with her relationship explode; Amir suffers the consequences of his drinking; Noelle, Shanice and Bria gossip with Natalie; Nick calls a house meeting.

As the vacation ends, Summer reveals unexpected news; Amir confronts Bria about the rumors; Alex hosts his Feel the Space event at the Edgartown Lighthouse; the house comes together for a final farewell dinner on the beach.