Adventure, Comedy, Family
The teenager Zach moves from New York with his widow mother Gale to Greendale, Maryland, where she will be the vice-principal of the local high-school. Zach is bored and upset and while bringing his cardboard boxes with his belongings home, he meets his gorgeous next-door neighbor Hannah that welcomes him. But soon her creepy father R.L. Stine threatens him if he gets close to his daughter again. Zach befriends the clumsy Champ at school and they schedule to go to a party together on Friday. However, Zach meets Hannah again but they are caught by Stine. Zach believes that Stine is an abusive father and he breaks in his house with Champ to seek out Hannah. When Zach opens a book in Stine's library, he accidentally unleashes a monster from the book. Soon he learns that the weird Stine is a famous writer of horror stories that keeps his imaginary friends that are monsters locked up in each book. But Zach released the evil Slappy that promises to bring havoc to Greendale opening all the books on the same time.