On July 16, Frankie wakes in her childhood bedroom and realizes that the date no longer devastates her the way it once would have. She thinks about how this day would have marked two months of marriage to Nate and the start of a honeymoon, but the pain now feels faded rather than raw. After more than a month back home with her parents in rural Ontario, Frankie feels suspended between past and present.

Looking around her old room, Frankie is pulled into memories of being sixteen and of George still being a daily part of her life. That spell breaks when Aurora texts to say Nate still wants Frankie to take the Tofino honeymoon, but Frankie cannot face going alone and has been relying on Aurora to handle the practical aftermath of the breakup. The message reminds Frankie that her old life with Nate is still unresolved even as she settles into her family home.

Frankie hears Darwin arrive to work with their father in the family cabinet shop and reflects on the comfort of being surrounded by family again. She enjoys spending time with her niece Birdie and finds real satisfaction in caring for her, especially through cooking. Downstairs, Frankie finds her mother baking; their exchange is gentle and undramatic, and Frankie prepares to spend the day at the Big House pool, bringing kimchi fried rice for Mimi while her mother packs muffins.

As Frankie walks across the property, she pauses at the old birdhouse mailbox hidden in the hedge. The sight of it brings back the year after her mother returned, when George recognized how overwhelmed and angry Frankie felt and created the secret mailbox so they could write honestly to each other. Frankie remembers George's first letter, in which he encouraged her to use writing to understand feelings she could not easily say aloud, and she recalls how the mailbox became a place for letters, gifts, recipes, and dreams.

After six weeks at home, Frankie admits that she has never needed George more and that memories of him are everywhere around her, from childhood to adulthood, including their painful fight at Christmas. Wanting to reestablish that private line between them, she opens the mailbox and leaves the letter she wrote the night before. Frankie does not know when George will find it, but the act shows that she is still waiting for him and choosing to remain emotionally present.