In a village high up in the Alps, people are dying. The area is being monitored by the government in hopes of solving the mystery of so many deaths. Soon, they find out the Earth is being invaded by gigantic aliens. At first the aliens stay high on the mountain in the frigid cold, but in time they start to move down the mountain toward the city. The aliens take over their victims telepathically. The government must find a way to rid the aliens before more villagers are killed.