Lindsay is trying to take her relationship with Stephen to the next level; Paige decides if Perry is the one for her; the housemates learn that Luke is bringing a new girl to the house.
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.
The crew decides to let loose in an all-out mullet extravaganza, the debauchery continues; much to the chagrin of Paige and Amanda, Hannah and Luke reconcile; the real war begins when Kyle calls a house meeting.
Luke thinks a flirtatious flower delivery will get his relationship with Ciara back on track; Stephen attempts to cheer Lindsay up with a romantic birthday dinner; Hannah and Amanda's friendship takes a turn; Carl receives devastating news.
Kyle is enraged to find his housemates have more laid-back plans for their Saturday night; Lindsay finally receives a grand gesture from Stephen; Carl returns from Pittsburgh to find the house in shambles.
Kyle tries to make amends with Hannah; Lindsay grapples with ending her relationship with Stephen; rumours spread like wildfire when Hannah receives an explosive tip from her psychic.
Lindsay and Luke's maybe-not-so-innocent friendship is called into question when Amanda and Paige confront them about the juicy hook-up rumour; sparks fly between Ciara and Carl; the guys corner Luke and demand he account for his behaviour.
A pub crawl devolves into a serious conflict between the boys, causing Luke to leave the house; Lindsay wonders if she made a mistake when she broke up with Stephen; Kyle surprises Amanda for their two-year engagement anniversary.
With Stravy's return, the house is abuzz about Lindsay's chaotic relationship; Hannah and Danielle take phone relationships to the next level; Luke is blindsided by information about Hannah and Des; Paige questions her relationship with Perry.
Lindsay 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; Hannah finds herself in the hot seat.
It's the final days at the 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; Lindsay and Stravy continue their relationship.
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.
Carl discusses his struggles with sobriety; Luke accuses Hannah of turning the house against him; Paige is caught in the middle of Hannah and Amanda's issues; Hannah is confronted about what she and Des did in Kyle and Amanda's bathroom.
