Sara wants to get serious with her paramedic paramour (Ryan McPartlin), while Ben tries to do the opposite with a woman he recently met. Elsewhere, Fitz plans to take Aaron out for a budget-friendly night on the town for their "roommate-aversary."

The gang go to Louisiana to support Sara while she attends her sister's baby shower following an argument. Elsewhere, an intoxicated Aaron gets separated from the group during Mardi Gras celebrations and finds the courage to try something new.