There is something that passes over head of Maple Street. Then a young boy names Tommy, tells everyone on Maple Street that they "something" that passed over head was an alien spaceship. He also said there were aliens among them that looked just like humans. As the story goes on the people on Maple Street went around the neighborhood accusing people of things that didn't make sense. It turns out that their were figures observing their every move.
The aliens that passed over head don't want you to leave!
You are the Monster
He is not the Monster!
Something passed overhead. The residents on Maple Street thought that it was a meteor until Tommy, the young man, convinced everyone that an alien ship had flown above and that there must be aliens among them in human form.
Residents began to accuse each other of being aliens in disguise. They turned on each other, which was not good. As the day went on, everyone became more and more suspicious. Everything was turning for the worst.
Charlie accused Mr. Goodman of being a an alien .
Charlie shot Pete Van Horn with a shotgun, because everyone assumed Pete was a monster.
Charlie was now being accused of the alien. As he was being accused the lights in his house went on. Charlie then accused the young man Tommy of being the monster.
What ends up happening, is that there have been creatures studying the responses to variables that they put out.