The housemates return to the Hamptons with several new friends in tow; unresolved issues between Kyle, Lindsay and Danielle quickly spread through the house; Carl vows to focus on his work and never hook up with a summer share housemate again.

Tensions come to a head during a trip to the beach; Kyle and Amanda discuss moving in together; Carl struggles with meeting his sales quota; the housemates prepare for their annual Fourth of July party; Jordan flirts with both Danielle and Lindsay.

Fireworks continue as the 4th of July party winds down. Danielle gets a taste of Jordan, but after their tryst, he sets his eyes on Paige. Lindsay reconnects with Everett. Kyle and Amanda work together on their new startup. At Girls Night, the ladies break the news of Jordan’s true feelings to Danielle.

Danielle forgives Jordan, who continues to wreak havoc in the house; Kyle woos Amanda; the housemates visit a vineyard; Hannah attends her grandfather's birthday party; Carl and Paige's flirtation leads him to violate his cardinal rule.

Jordan continues to offend his housemates; Paige isn't sure Carl checks off all her boxes; during a fight, Amanda admits she has cold feet about moving in with Kyle, and she issues an ultimatum.

Kyle changes his behavior; Carl and Paige go on a date in the city, but Paige still isn't sure if Carl is marriage material; Hannah confronts Lindsay about her backhanded compliments; the housemates head to a swanky St. Barth's party in the Hamptons.

The housemates throw a Christmas in July party and exchange secret Santa gifts; Kyle has a special present for Amanda; Hannah invites her British beau to the party; Carl vies for Paige's attention, but she ignores his advances, and he goes too far.

Carl complains to Lindsay about Paige, and Lindsay's advice is overheard, causing a chain reaction among the women in the house. Meanwhile, as Kyle prepares to ask Amanda to take their relationship to the next level, another cheating rumour surfaces.

While Kyle is at his family reunion, Amanda plays single with Paige and Hannah. Danielle confronts Jordan about their tension, and possibly uncovers a secret. Lindsay confides in Danielle about another scandalous rumour, only for Danielle to end up telling Paige everything. Amanda, Kyle and their housemates celebrate Kyle's 36th birthday at a Monte Carlo night.

Lindsay confronts Kyle about the shocking rumor; Kyle tells Amanda the real story; Carl's mother comes to town to surprise him; after Amanda ignores Kyle all week, he waits outside of her office desperate to confront her.

Carl's mum drops by the summer house, much to Paige's delight. Hannah finally takes the next step with British Dave, and in an effort to move on from Everett, Lindsay goes on a date with Peyman. Amanda's parents make her rethink her decision to stay with Kyle after the cheating scandal, and Jordan reveals a secret.

Jordan finally meets a girl he'd bring home to mum, while Paige and Carl argue over who misled whom in their relationship. Stassi, Beau, Katie and Tom from `Vanderpump Rules' drop by the house and end up giving Lindsay some advice on love.

The Vanderpumps continue their visit and Kyle accuses Paige of leading Carl on. Hannah tears into Jordan, Carl brings a date to the house, Tom has an emergency requiring a trip to the hospital, and Kyle reveals he's ready to propose to Amanda.

It's the last weekend at the house, and the crew gets together for one more epic "death of summer" party; Carl gets closer to Kristen; Paige embraces being single; Kyle asks for Amanda's father's blessing to propose but gets a lukewarm response.