Six months after a mysterious outbreak, the world has been altered forever. Human species is endangered under the oppression of freaky viruses, a horde of roaming unfriendly human corpses, hungry wildlife, and limited natural resources. You, one of the few survivors, suffer from injuries and memory loss, thus you need to rediscover this new environment, hoping to catch a glimpse of a clearer future. Fortunately, you are not alone! A faithful companion is always by your side - your loyal dog! Do not be fooled by his fuzziness. He is a stealthy combatant who will help you survive, explore and adapt!