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A comet's arrival unleashes a deadly virus that targets women, plunging society into chaos. Amidst this turmoil, a young couple struggles to maintain their bond while confined to their hyper-sterilized apartment, hiding from the illness and ruthless hunters seeking the few remaining women. As fear and isolation take their toll, they decide to break free from their self-imposed confinement, embarking on a journey into the wilderness. There, they must confront the harsh realities of survival and the fragility of their love in a world turned upside down.