The housemates are back and ready to "Send It!" in this half-hour special reflecting on their past few summers "share-housing" in the Hamptons. The last few summers have been a wild ride full of fun and heartbreak. Join the crew (new and old) as they spill the tea about what they know everyone did last summer(s) and about what might be coming in the new season.

In the dramatic conclusion of the Summer House reunion, Carl discusses his struggles with sobriety. Luke accuses Hannah of turning the house against him, while Paige is caught in the middle of Hannah and Amanda's fractured friendship. Finally, tension comes to a head when Hannah is confronted about what she and her new fiancé Des did in Kyle and Amanda's bathroom, leading to shocking admissions and shaking the house to its core.

Ciara, Luke and Hannah revisit the unraveling of their love triangle; Lindsay admits what Stravy was really doing in the house when he claimed to be working; the housemates confront Hannah about her recent statements in the press and on podcasts.

It's the final days at the Summer House and to commemorate the end of summer, the housemates throw a wedding-themed party for Kyle and Amanda. Hannah, Paige and Ciara navigate their complicated friendships in the wake of Des' visit, while Lindsay and Stravy continue their stormy relationship, making the house question whether they are headed toward marriage or ending it for good.

Lindsay, on Cloud nine with Stravy, decides it's time to take her relationship to the next level and make her ring size known. Carl throws a Derby-themed party, complete with a housemates horse race. And just when Hannah thinks she's finally back in the good graces of the group, she finds herself in the hot seat yet again, and for a familiar problem...her relationship.

With Stravy's return, the house is abuzz about Lindsay's chaotic relationship. Meanwhile, Hannah and Danielle dial up their phone relationships to the next level with in-person visits from their love interests. Luke is blindsided by information about Hannah and Des before the summer. And while everyone parties on a boat to kick off the weekend, Paige starts questioning the direction of her relationship with Perry.

A fun house pub crawl devolves into a serious conflict between the boys, causing Luke to leave the house, possibly for good. Lindsay's pregnancy test result has her wondering if she made a mistake when she broke up with Stephen. Finally, Kyle surprises Amanda for their two-year engagement anniversary, and little does Lindsay know, Stephen has his own surprise...

It's a house divided for Girls' and Guys' Night. Lindsay and Luke's maybe-not-so-innocent friendship is called into question when Amanda and Paige confront them about the juicy hookup rumor. But the party must go on as the housemates organize a bar crawl through their rooms, where sparks fly between Ciara and Carl, who slips up and puts his sobriety at risk. Finally, all hell breaks loose when the guys corner Luke and demand he account for his behavior.

Kyle tries to make amends with Hannah for Amanda's sake, only to find that Hannah isn't as quick to forgive and forget. Lindsay grapples with ending her relationship with Stephen for good. Finally, rumors spread like wildfire when Hannah receives an explosive tip from her psychic about Lindsay and Luke, sending the house into a tailspin.

Always looking for an opportunity to send it, Kyle is enraged to find his housemates have more laid back plans for their Saturday night than he'd prefer. The teacher becomes the student when Lindsay finally receives a grand gesture from Stephen. Carl returns from Pittsburgh to find the house in shambles after Hannah and Kyle's most explosive fight yet.

Luke thinks a flirtatious flower delivery will get his relationship with Ciara back on track, only to find himself deeper in the friendzone. Stephen attempts to cheer Lindsay up with a romantic birthday dinner that completely backfires. Meanwhile, Hannah and Amanda's friendship takes a turn for the worse. Carl receives devastating news, and heads home to be with his family.

With the weekend finally upon them, the crew decides to let loose in an all-out mullet extravaganza. The debauchery continues when hit the beach for the first time this summer. Much to the chagrin of Paige and Amanda, Hannah and Luke reconcile. However, the real war begins when Kyle innocently calls a house meeting to discuss chores.

While the cold war between Luke and Hannah shows no signs of warming, Lindsay wonders if she is actually the priority in her relationship with Stephen; the housemates plan a family dinner to get back on track, but it leaves the house divided.

Carl kicks off the first weekend and hosts a reception for his mom's virtual wedding. Danielle throws a roller-skating party, but Lindsay is too bothered by Stephen's hectic work schedule to enjoy herself. Afterward, the housemates get to work to throw Kyle an unforgettable birthday, which devolves into chaos when Hannah and Ciara's budding friendship threatens Luke's chances with either girl.

The crew flees the city and moves into a new house in the Hamptons for six straight weeks together. While Lindsay is trying to take her relationship with boyfriend Stephen to the next level, Paige is taking her time to decide if Perry is the one for her. The housemates, especially Hannah, are baffled to learn that Luke is bringing a new girl to the house this summer. Only time will tell if Luke's plan to juggle two girls under one roof is a good one.

Kyle and his housemates are back and ready to "Send It!" in this half-hour special reflecting on their past four summers "share-housing" in the Hamptons. Join the housemates as they spill the tea about what they know everyone did last summer(s).