Lovers Regan and Emmeline are the sole survivors in a post-apocalyptic world. They roam freely through the deserted cities in Great Britain, scavenging what they can, trying to survive in a world that is no more than ash.

After a quarrel, Emmeline goes off on her own. But with Regan’s mind being on the verge of insanity, will a little accident mean the end for both women?