Two spirit hordes break through from another dimension, and half the world's population vanishes. The spirits possess the survivors, dividing them into two groups: those who fight to retain their humanity, and marauders who destroy everything in their paths.Artist Livi DeSilva is fleeing from possessed killers when she meets Conor McLain, a man suffering from amnesia. Outnumbered and outgunned, Livi and Conor team up and fight off homicidal lunatics...