Kate and Toby marry at the Pearson family cabin, with Jack's ashes beside the guest book. When Toby forgets to pack the Daytona Beach T-shirt Kate planned to wear as her something old, she disappears into the woods to scatter the portion of Jack's ashes she had held back — and to resolve why Toby has never appeared in her recurring dream of the cabin. Meanwhile, Toby's parents warn him that Kate's grief makes her a risk to his mental health; Zoe shares her own abandonment story with a withdrawn Deja; Kevin and Randall search for Kate and surface old guilt about the years after Jack died; and the wedding closes with Kevin's public admission of his DUI and rehab, a collective family exhale, and three flash-forwards pointing toward Vietnam, Toby's severe depression, and an unnamed woman Randall and adult Tess are not ready to face.

The episode functions as the season's emotional settlement — the moment grief shifts from something the Pearsons carry privately into something they can name out loud. Kate's resolution of the dream clarifies the show's central tension between honoring Jack and inhabiting the present, while the flash-forwards immediately reopen that tension: Toby's depression, Kevin's discovery that Nicky may not have died in Vietnam, and Randall's future facing someone unknown all signal that the exhale Kevin leads is temporary.