Professor Jake Northrop is horrified to learn that his experimental biocomputer bacteria turns people into flesheating monsters While most of his accidental creations are lumbering idiots some are very different They can outrun you They can outthink you and theyre hungry With the help of Bill Santini a homeless veteran and a small group of survivors the professor must run a gauntlet of ghouls to escape Center City and find a cure for the zombie plague