A young couple looking for the perfect home find themselves trapped in a mysterious labyrinth-like neighborhood of identical houses.

Twenty-five years after environmental collapse left the Earth uninhabitable, Mother, Father and Son are confined to their palatial bunker, where they struggle to maintain hope and a sense of normalcy by clinging to the rituals of daily life—until the arrival of a stranger, Girl, upends their happy routine. As tensions rise, their seemingly idyllic existence starts to crumble.