from Things from Another World:
When evidence of a possible cannibal killer in Wainright, Alaska, draws the attention of the FBI, Agents Mulder and Scully draw the less-than-glamorous assignment, but all is not as it seems once the agents are on the ground.
Not only has the long seasonal darkness begun to fall, but there’s something unnatural about a few of the locals, and what does a chilling, mysterious black ship have to do with the murders? Find out in X-Files 30 Days of Night.