Sara reunites with an ex (Pete Wentz) who causes a change in her personality. Ben steps in to help Sara but ends up falling into the same trap with his ex. Elsewhere, Aaron tries to impress a woman with his money and shocks Riley in the process.

Ben pines for his past relationship with Sara while he's going through a rough patch. Sara, meanwhile, lies to her boyfriend when he questions her about Ben. Elsewhere, Riley falls for a guy who may be dying.