When a chameleon bites a girl at a pet store, the lizard takes on her form and plots to take over the world.

Brothers Tommy and David discover some scary secrets about their new upstairs neighbors. They seem to be inviting guests over that never return. Clues within the neighbor's apartment seem to prove that they're eating their guests.

Jake meets a beautiful new girl at school who wants to wear his ring. Jake thinks she's great, until he starts to see that there's something very strange about this girl. She's not from his neighborhood and she's not from his town. In fact, she's not from his planet.