Set against the backdrop of a post-Apocalypse Earth, Population 2 is about a relationship that ends in tragedy forcing a woman to struggle in the aftermath.Set against the backdrop of a post-Apocalypse Earth, Population 2 is about a relationship that ends in tragedy forcing a woman to struggle in the aftermath.Set against the backdrop of a post-Apocalypse Earth, Population 2 is about a relationship that ends in tragedy forcing a woman to struggle in the aftermath.