Alien Thought
A group of students on an excursion into mountains by their home town suddenly find animals and birds dying about them. They eventually find that the cause is aliens. The Aliens are friendly, but their means of communicating amongst themselves is deadly to earth life. After repeated small contacts a couple of young people become immune to the 'Alien Thought' and it befalls them to try to save the rest of the world from these friendly but lethal visitors....
