The world is a wasteland. Most of the world's population has been wiped out by an unknown virus. Bands of survivors roam the empty cities trying to avoid the infected, who also aimlessly roam the deserted streets and highways looking for the next living thing to feed on. Fearing the outside world, one man has barricaded himself in his home, fighting for survival until an unforeseen incident forced him into the now unknown landscape. Wanderer chronicles his desperate struggle to stay alive.