With the summer house finally back to its free-spirited, hard partying ways, Amanda begins to show her frustration with Kyle's continued boozy behavior and decides to let him have a weekend to himself. Lindsay gets in touch with her ex, Everett after failing to forget about him. Meanwhile, Lauren and Carl appear to have moved past the fiasco from the 4th and are back to being friends (with benefits) but Danielle continues to be an unwelcome third party in their relationship.

It's America's birthday, and what better way to celebrate than rosé all day! This 4th of July there are fireworks in and out of the house as Lauren and Carl's relationship heats up, while Kyle juggles two girls. Everett and Lindsay prove to be anything but the perfect couple, as their explosive antics dash any hopes for a drama-free summer.

Kyle confronts perfect couple Everett and Lindsay for disrupting his single summer. New house guest Jaclyn raises eyebrows with her Southern sensibility...or lack thereof. Carl gets caught in a lie that threatens his new relationship with Lauren.

Lauren confronts Carl for lying about bringing a date to a wedding. Kyle dips his toe back into the ex-pool, despite everyone's warnings. Lindsay and Cristina's roommate drama boils over into full-on name calling and accusations.

When the roommates go to a winery there is more whine than wine. As the drama between Lindsay and Cristina reaches its breaking point, someone may be evicted. Carl cools off on Lauren but warms up to Jaclyn at a beach bonfire.

The roommates go from blowing out candles to a blowout fight and leave Lindsay and Everett on the brink of a breakup. At Model Volleyball, Cristina serves up some gossip that Jaclyn hasn't been a model friend to Lauren. The Wirkus parents meet the infamous Carl.

It's Lindsay's birthday and trouble's a brewing when Carl brings girls to the party, much to Lauren's dismay. Everett and Lindsay are on the outs, and Stephen spills a secret that may make the on and off again couple turn the switch off permanently.

With a scandalous secret looming over Lindsay and Everett's relationship, the pressure is on for the power couple to sink or swim. The roommates must come together to throw a race for charity, but not everyone will make it out in one piece. And finally, Cristina's meddling catches up to her when Lauren and Jaclyn go on the attack.

It's time for the annual Rosé Party, where Kyle meets a fellow blonde who may or may not be his drunken soul mate. It's Cristina vs everyone else, as the roommates take aim at her meddling ways.

Summer's over, and that means one last wild weekend with no regrets... or maybe a few. A Hamptons White Party turns into a messy affair when Kyle blows up at his ex-girlfriend Amanda over a lip-syncing scandal. Meanwhile, Cristina makes a dramatic exit, and Carl and Lauren's romantic pretzel twists one final time, when Carl disappears into the night.