On the eve of the end of the world, Sydia and her daughter Nina find themselves trapped in an endless night inside the family’s old mansion. As isolation intensifies the conflicts between mother and daughter, the unexpected arrival of the mysterious Lara sparks new tensions. Joana, the maid who had disappeared without explanation, returns with news from the outside world, and the four women are forced to confront their deepest fears. Amid the imminent collapse, secrets surface, and each of them will be faced with the weight of their choices.