A young monster, Merlin, hates being mean and isn't very good at it. He isn't scary like the other monsters and gets made fun of becomes he squeaks rather than growls and doesn't have pointy teeth. He soon befriends a human child named Edward, who also gets teased because he is small, shy and wears glasses. When Merlin's older brother, Igor, finds out he is friends with a human, he becomes very angry. He brings Merlin home to tell on him, but when they walk through the door, both monsters are shocked by what they see