Two best friends, Sara and Ben, carry on a casual physical relationship as they search for love; when Ben needs a date to his sister's wedding, Sara worries the arrangement is too serious.

When Sara starts dating a co-worker, she and Ben bring their physical relationship to a halt; Aaron realises he is taking his relationship with Riley more seriously than she is.

Ben and Fitz take Aaron out to get his mind off an ex-girlfriend's engagement; Sara goes to a party with Riley.

Ben takes advantage of an ex's poor memory; Fitz tries to find his mother a girlfriend; Riley dates a man with a strange fetish.

Sara tries to get into relationship mode with Evan; Ben tries to keep things casual with a girl he just met; Fitz takes Aaron out to celebrate.

Sara asks Aaron to bid on her at a bachelorette auction; Ben unintentionally sexually harasses a coworker; Fitz spends a night partying before getting serious with his girlfriend.