A disaster strikes a bustling city without warning. The power grid fails, communications go down, and chaos erupts in an instant. Jack, a veteran, sets out on a perilous journey to find his missing family. He survives a chaotic brawl over supplies at a supermarket, then faces one danger after another, from being surrounded by vicious dogs to encountering bizarre monsters in a hospital. He is also unexpectedly drawn into a mysterious laboratory, where he uncovers the secret behind the disaster: a genetic modification experiment that spiraled out of control. Along the way, Jack battles all kinds of threats and makes new companions. Though he finds himself on the brink of death time and again, he never gives up, holding on to hope as he searches for his family and carries on a story of protection and reunion in this apocalyptic world.
