On Saturday, June 29th, Daphne presses Miles to reveal where they're going, but he refuses, insisting only that she dress up. She puts on her backless black dress and texts Ashleigh and Julia, who tease her without spilling the secret.

Miles drives Daphne to a pink beachside resort, where a banner announces a Senior Prom. Inside, Daphne realizes the event is the Waning Bay Historical Society's annual fundraiser and that 'senior' refers to the elderly attendees. Miles explains he brought her because business owners attend and it could help her find sponsors for the library Read-a-thon, a gesture that touches her. He also confesses he enjoys being around older people who have moved past their worst mistakes and know themselves, revealing an unusually wistful side. Lenore, on the society's board, had pressured him into buying two tickets.

Daphne realizes the second ticket was originally meant for Petra. At that moment, Petra walks in on Peter's arm, looking stunning. Both Daphne and Miles freeze in horror. Miles confesses he assumed Petra wouldn't come since he'd kept the tickets. He notes Petra's beloved grandmother, 'Granny Comer,' is present.

Miles offers Daphne the choice to flee or stay. Thinking of the photo of Petra with her Richmond friends and all the spaces she's lost, Daphne refuses to be the one who leaves. When the bartender prompts her, she orders two shots of whiskey, choosing to stay, drink, and dance in front of their exes.