The house throws a massive blow-out luau. Ashley's husband arrives from California. Carl and Stephen confront their unresolved issues. Kyle and Amanda are under strain from their housemates who have had enough of their drama.
Kyle and Amanda decide to try out a new plan in hopes of repairing their ever-growing rift but it might be too little too late. Carl chooses to put his cards on the table with his latest lady friend, while Lindsay has some shocking news for Everett. Lauren's twin Ashley returns and sees some welcome changes in her sister. Meanwhile the entire house blows off a massive amount of steam at a Hamptons rose bash.
Kyle and Amanda's relationship feels the strain of existing in the house. Lindsay attempts to get her summer back on track. Lauren moves on from Carl. Stephen is ready to take his fling more seriously. Carl wants a love interest to spend the night.
Kyle's epic 35th birthday party ends with a major disruption from Lindsay. The gang goes back to the city hustle but as everyone returns to the Hamptons for Lindsay's "Hubbana Nights" party, Stephen chooses to visit his family in Alabama instead, hoping to confront some painful issues. Amanda gets frustrated by Kyle's behavior on a party bus, while Carl and Lauren try out the friend zone to questionable results.
The moms' weekend comes to a close with a revealing game before the gang all head back to the city. Everyone returns to the Hamptons ready to celebrate Kyle's birthday weekend. Carl and Lauren clear the air of all the past weekend's drama, Stephen goes on a blind date, and Danielle has a houseguest. Everything kicks into high gear when Kyle's "revolutionary" 35th birthday party gets officially sent as Lindsay anxiously awaits the arrival of a very special guest.
Lauren's twin sister is back in the Hamptons, and she is not happy to see how cozy Carl and Lauren have gotten. Lindsay goes on her first date since Everett. Kyle takes a big step with Amanda. Stephen puts his issues with Carl out on the table.
Amanda shows her frustration with Kyle's behavior and lets him have a weekend to himself. Lindsay gets in touch with her ex, Everett. Lauren and Carl seem to be back to being friends with benefits, but Danielle continues to be an unwelcome third party.
Tensions are running high in the house, and Lindsay finds herself in the middle of the drama. The crew sets off for a sunset sail and beach bonfire, where these tensions boil over. The housemates return to the Hamptons, where Kyle and Amanda's relationship faces setbacks. Danielle gains her housemates access to a very special place in the Hamptons with hopes that it will bring them all back to harmony.
The crew prepares for their big July 4th bash. Kyle and Amanda talk about the next steps for their relationship; Carl and Lauren struggle with unresolved feelings; and Danielle drops a bomb during a girls' day.
The gang is back with some familiar faces and surprising changes. Newly single Lindsay passes the "house couple" torch to Kyle and Amanda and two new friends join the group. Room selections occur without everyone's input and tempers flare; Stephen prepares to attend Gay Pride back in the city; Lindsay enjoys her freedom; and Lauren and new housemate, Danielle, navigate their complicated feelings about sharing a summer house with their common ex, Carl.