Gerry Fitzgerald, the responsible eldest sibling of a large Irish-American family, faces the challenge of reuniting his fractured family for Christmas. Having assumed the role of caretaker after their father abandoned them, Gerry persuades his disparate siblings to come home for the holiday. Their father, Jim, has resurfaced after twenty years with cancer and a desire to make amends, adding tension to the reunion. Gerry hopes that bringing everyone together will help heal old wounds and strengthen their familial bonds.

As the Fitzgerald siblings arrive, long-buried resentments and secrets resurface, testing their unity. Emotions run high as each family member grapples with their own issues, from strained relationships to personal crises. Gerry's efforts to mediate conflicts and reignite the warmth of past Christmases are met with both resistance and support. Through a series of heartfelt conversations and confrontations, the family members confront their pasts and navigate their complex emotions towards the potential for forgiveness and reconciliation.