It’s the last Friday before Christmas in New York City and a massive storm is brewing. Small-town business woman Cara Hill is meeting with her banker while country music star Heath Sawyer is playing Madison Square Garden. When the flight to Tulsa they’re both booked on is canceled, this unlikely pair of strangers winds up traveling together.

A decade after a disastrous meteor impact wipes out most of society, a group of survivalists emerge to find themselves on a twisted version of the old Earth, with a nascent society besieged by vicious marauders, ferocious mutants, and the dreadful symptoms of a post-apocalyptic environment.