On an expedition in the Canadian Rockies at the end of the nineteenth century, Dr Edward Byrne slips and falls almost 60 feet into a crevasse on the Arcturus Glacier. While trapped, hanging upside down and wary that the slightest movement could send him plunging deeper into the abyss, Byrne notices a mysterious winged figure embedded in the ice wall. The vision shakes his sanity, and after his recovery continues to haunt him until he abandons his fiancee and his medical pract