Brian (Fred Savage) isn't scared of the monster living under the bed. On the contrary, when he gets to know the wild-eyed boogeyman, Maurice (Howie Mandel), the pair become fast friends. During the night, Maurice takes his young charge into the netherworld of monsters, where they have a great time making mischief in the lives of sleeping children. But Brian's opinion of Maurice and his freewheeling lifestyle changes when he discovers that he himself is turning into a monster.

Directed by Richard Greenberg, in his first film. After a few technical works, he take care of this movie, with an important visual aspect. But even with Fred Savage in the main role, it was a disappointment in the American Box Office, so it was not even released in countries like Spain. Greenberg came back to technical works.