As the Summer House reunion kicks off, Lindsay defends her "Hot Hubbs Summer" and Carl questions his friendship with a surprising housemate along the way. Danielle's relationship with her boyfriend Robert is questioned, while Andrea gives an update on his dating life. Amanda calls Lindsay out for her lackluster apology about Austen, and Alex offers a surprising twist. Danielle and Ciara's growing resentments of each other come to a head.