When the American Chicken Bunker, a military themed fast food restaurant, builds its latest chain restaurant on the site of an ancient Native American burial ground, the displaced spirits take revenge on unsuspecting diners and transform them into chicken zombies! Now, it’s up to a dimwitted counter boy, his collegiate lesbian ex-girlfriend and a burqa-wearing fry cook to put an end to the foul feathered menace once and for all.

Heading through Colorado Territory in search of gold and women, Alferd Packer and his group of bemused companions find themselves lost, starving and musically inspired by the obstacles they confront along the way, including a die-hard Confederate cyclops, a trio of surly trappers, a tribe of Japanese-speaking "Indians," and ultimately, each other.

When a Black oil well worker is killed by a band of California neo-Nazis, his gun-wielding grandmother busts out of her retirement home to avenge him.