At a cabin deep in the wilderness, a weekend of hunting turns to mayhem and a fight for survival when a pack of wolves attack a man, his female best friend and her fiance.

Sloane and four classmates take cover in Cortege High to escape a world plagued by the infected. As danger relentlessly pounds on the doors, Sloane begins to see the world through the eyes of those who actually want to live and takes matters into her own hands.