A blast from the past and an unlikely source help ease Carl's loneliness. When Hannah finally calls it quits with Luke, Paige and Amanda are thrilled to get their best friend back. However, things aren't always what they appear, and an idyllic day trip to the orchard leaves a sour taste in everyone's mouth. Meanwhile, a night of passion leaves one housemate feeling satisfied, but others feeling betrayed.

It's the final weekend at the Summer House... but before the housemates celebrate with an epic end of summer rave, it's a house divided for Kyle and Amanda's bachelor and bachelorette festivities. Jules is blindsided when Danielle threatens to steal Carl's attention, Luke hijacks Amanda's spotlight, while Kyle confronts Carl about his recent issues. Finally, Paige attempts to mend Amanda and Hannah's fractured friendship, but unfortunately some relationships are forever changed by the summer.