A popular beastie in today's culture; it holds much more significance with the Algonquian peoples with which it originated. It's also known as the "witiko" and "weeghteko" among others.
Originally it was a malevolent spirit or even just a particularly wicked individual, with variations in representation among whichever local folklore it was associated with. Modern variations introduced a cannibalism aspect as well as depictions including a deer-skull for a head complete with antlers.
There have always been the same common denominator, however: wendigos are the embodiment of greed and excess.
This episode involves the novella by the legendary Algernon Blackwood, published in 1910 in the collection The Lost Valley and Other Stories.
A more classical take, and nonetheless incredibly haunting.
Music: "Damaged" by Lucas King