When Gavin takes his metal detector to a new playground to hunt for lost objects, he instead discovers a group of mysterious children who only appear after dark, and who tease him and try to persuade him to play with them until late into the night.

David and his parents move to a new town with a huge storm drain that would be perfect for skateboarding, and in spite of hearing warnings about a terrible accident that occurred there, David is determined to try it out.

When Ben tries to hide from bullies at a carnival, he is drawn into a sideshow that promises to make his dreams of popularity and good grades come true, if only he signs a contract agreeing to give up a few minutes of his time.