Anton is a cheerful but exceedingly non-ambitious 17-year-old stoner who lives to stay buzzed, watch TV, and moon over Molly, the beautiful girl who lives next door. However, it turns out that the old cliché about idle hands being the devil's playground has a kernel of truth after all.
Following the sudden death of his mother, a mild-mannered but anxiety-ridden man confronts his darkest fears as he embarks on an epic, Kafkaesque odyssey back home.
When foreman Frank shows new employee Freddy a secret military experiment in a supply warehouse in Louisville, Kentucky, the two klutzes accidentally release a gas that reanimates corpses into flesh-eating zombies. As the epidemic spreads throughout the town, and the creatures satisfy their hunger in gory and outlandish ways, Frank and Freddy fight to survive with the help of their boss and a mysterious mortician.