Invasion from Inner Earth (1974)

Storyline:

Invasion from Inner Earth (1974) A group of young pilots in a remote region of the Canadian wilderness begin to hear strange reports over their radios about planes crashing, cars stalling and a deadly plague which has gripped the planet. It becomes clear that earth is in the midst of an invasion. The group of pilots decide to barracade themselves in a cabin deep in the woods and wait for their impending doom.