The housemates throw their first big party of the summer as Kyle confronts the fallout from his outburst at the slumber party. Sam's encounter with a new man reignites old insecurities. When a few housemates head out to Montauk, Danielle's surprising comments about Lindsay's relationship come to light.

A confrontation during a girls-night dinner opens a rift between Lindsay and Danielle; Ciara considers a fling as a new man joins the house; everyone gets ready to send it at Kyle's 40th birthday party.