The six richest people in the world, Damian Knight, Greg Lovett, Charles Chance, Francine Gingerfield, Maxine Fitmore and Cecilia Sealskin, each have one thing still dragging them down...Their intolerable kids. Luckily, there is a mysterious entity known as The Boss who with his assistant Heinrich (Henriksen) is happy to help. See, he has some monsters of his own, and they are just dying to test out their skills.

The parents arrange to drop their six troublesome kids, David Knight, Avatara Lovett, Candy Chance, Oliver Gingerfield, Bobby Fitmore and Molly Sealskin (Endicott), at one big creepy house attended to by The Butler. Havoc ensues as seven monsters, including Mr. Beet, take on the kids in a life or death showdown. Who will be left standing? It's Kids vs Monsters!