Hope and Undead Elvis :

Before the world ended, Hope was a down-and-out virgin stripper. Now she's pregnant with a baby prophesied to be the world's salvation. She is joined by Undead Elvis, who promises her that Graceland remains intact even though the rest of the world has become sand and ash. As Graceland is the only safe place left, Hope must undertake the perilous journey across a broken, unfamiliar landscape.