Nate and his friends think the new Arcadeland, where tickets can earn jets, tanks, subs, and racecars, is totally cool, until they learn that the arcade owner is hiding a secret.

Cole Randolph is just trying to have fun with his friends on Halloween. But their trip to a neighborhood haunted house turns out to be the start of a wild adventure when Cole watches his friends being whisked away through a mysterious passage. Cole dives in after them, only to emerge somewhere that's very clearly no longer Mesa, Arizona. He soon learns he's come to a place called the Outskirts.

When the third White sibling brings a carnival to town, giving everyone who visited strange nightmares and weird dreams, the Blue Falcons, with a host of new candies, must tap into the power of their own dreams to battle their greatest adversary yet.

Cole and his friends finally reach the fourth of the five kindgoms, Necronum, land of the dead, where they confront unexpected dangers and meet new allies.