Watch out for the zombie Chihuahuas! 20 years ago in a small, sleepy southwest Texas town, Billy Bob Driwahl made the mistake of letting people know about his visions of a zombie apocalypse. Now, after two decades as the area's pariah, circumstances have changed drastically. The zombies have arrived. How did he know? And as society rips itself apart, can Billy Bob lead the citizens of San Rosina to safety now that even deceased animals are returning?