Earth has been taken over by aliens in crisp white outfits and each one taking over a human 'host' so that the alien race can save the planet. Fewer humans are alive, and young Melanie has been on the run with her kid brother, Jamie, and her Louisiana honey, Jared. The Host opens with Melanie's capture, and continues on her odyssey as the alien who attempts to overtake her, Wanderer, battles inside Melanie for control of her body and mind. "Neither...