In the 1820s, a frontiersman, Hugh Glass, sets out on a path of vengeance against those who left him for dead after a bear mauling.
A group of archaeologists uncover a strange structure in Northern Canada, dating over ten thousand years before the present. The team finds themselves isolated when their communication systems fail and it's not long before they begin to feel the effects of the solitude.
A medical student who becomes a zombie joins a Coroner's Office in order to gain access to the brains she must reluctantly eat so that she can maintain her humanity. But every brain she eats, she also inherits their memories and must now solve their deaths with help from the Medical examiner and a police detective.