After the worst of the plague is over, armed forces stationed in Chinatown’s Fort Wonton have successfully reclaimed the island south of Canal Street—aka Zone One. Mark Spitz is a member of one of the three-person civilian sweeper units tasked with clearing lower Manhattan of the remaining feral zombies. Zone One unfolds over three surreal days in which Spitz is occupied with the mundane mission of straggler removal, the rigors of Post-Apocalyptic Stress Disorder (PASD), and the impossible task of coming to terms with a fallen world. And then things start to go terribly wrong…