It took two tours in Vietnam, a handful of medals, a knee full of shrapnel, and an honorable discharge to get William "Bill" Overbeck to stop fighting. He hated it. After decades spent drifting aimlessly through dead end jobs, Bill went in for a routine surgery and woke up to a plague turning normal people into mindless killing machines. Making his way through rural ghost towns and pitch-black forests, he found other survivors, and together they fled from the infected hordes. In the end, one of them sacrificed himself to ensure their safety. Bill was left for dead...and with a new enemy to fight.