Twenty-five years after environmental collapse made Earth uninhabitable, Mother, Father, and Son live in a palatial bunker, clinging to daily rituals for hope and normalcy. Their routine is disrupted by the arrival of a stranger, Girl. Son, who has never seen the outside world, is intrigued by her, causing the family's fragile optimism to unravel. As tensions rise and hidden resentments surface, their seemingly perfect existence begins to fall apart. Yet, confronting these truths opens the possibility for acceptance, love, and change.