Similar to the sickness that wiped out mankind in The Last of Us, a fungal infection is responsible for this epidemic of zombieism. The narrative revolves on Melanie, a young girl educated in an unconventional manner by Gemma Arterton's character, Helen, in a very guarded facility. http://zombie-filmlist.uzblog.net/how-zombie-flicks-teach-you-to-survive-27022758