Scully and Mulder visit the Arctic Ice Core Project, a group of geophysicists working in Icy Cape, Alaska, 250 miles north of the Arctic Circle. In blistering temperatures of 35+ degrees below zero, the team, three specialists and a pilot investigate suicides and other occurrences by members of the scientific team caught on tape. Various circumstances progress from weird to bizarre as the team finds a dog with black nodules, possible bubonic plague, murder and messages "We're not who we are..."
—LA-Lawyer