In post-apocalyptic Sydney, former mutant hunter Amy lives alone in the toxic wastelands, pursued by the military family she abandoned. When a psychic encounter with half-mutant fugitive Erica triggers Amy’s own transformation into a flesh-hungry Murlok, buried memories of brutal experiments begin to surface. With bounty killers closing in, Amy must confront the horrifying truth about her past before she becomes the monster she was trained to destroy.