Present day. Arizona. Megan and Abby Graves are inseparable sisters that couldn't be less alike. Megan just graduated ASU with a marketing degree. She's a self-assured, naturally attractive rock chick with a black belt that she likes to use. Abby just barely graduated high school. She's a cute, Hot Topic Goth who's caustic and afraid of her own shadow. They share one thing: a life-long obsession with comics and pop culture. Simply put, they are beautiful geeks. In a few days, Megan will start a new job at in New York. To send her off in style, the sisters go on a wild, pop culture bender that includes a trip to uncharted Arizona in search of a kitchy roadside attraction. Instead, Megan and Abby happen on Skull City Mine, a weather-beaten, abandoned mine town converted into a self-guided tour. But Skull City harbors terrible, vexing secrets. It appears to be haunted. Its caretakers are murderous...