Invasion from Inner Earth (1974)

Plot

Stranded in a snowbound landscape, a group of plane passengers finds themselves facing an extraordinary threat—an alien death ray. As they struggle to survive the bitter cold and dwindling supplies, tensions rise and fear escalates among them. The isolated setting becomes a battleground, testing the limits of human resilience and camaraderie against an otherworldly menace. With time running out and danger closing in, the passengers must band together to confront the terrifying force from beyond, seeking a way to escape their dire situation before it’s too late.