Sara asks Aaron to bid for her during a bachelorette auction in order to avoid a date with a coworker. Elsewhere, after a faux pas, Ben is accused of sexual harassment at work; Fitz has one last night out before committing to monogamy and ends up scrambling to get rid of the evidence.

Aaron worries he had a negative impact on a woman he mentored in junior high who is now a porn star. Elsewhere, Sara's colleague bribes her to help him impress Riley; and Fitz and Ben have a run-in with a hospitalized friend's attractive girlfriend.