In January of 2021, during a blizzard that closed every road in northern New Hampshire, a man named Dwight Pelfrey went missing from his hunting camp on Cutter's Run. No footprints led away from the door, but a single set of tracks — human in shape but too long, too deep, and too far apart — led toward the frozen river. Luna was working the overnight shift at the county dispatch that night, logging calls from people who heard something moving through the woods at three in the morning: a sound like a snowmobile idling, except the machine had no headlights, no rider, and no tracks behind it. This episode follows those calls, the search that found nothing but a glove and a tape measure, and what Dwight's wife remembers hearing over the radio in his camp, seconds before the connection cut.