13 year old Eddie, a human child who falls into the underground, which has become the home and prison of the monster race ever since humans drove them from the surface. Monsters have set up a life in this new place, but long to return to the surface. However, evil entities have been seen to lurk around and are playing to destroy the world and make it theirs. Will Eddie and the monsters stop the entities?

Inspired by Undertale: contains violence, swearing, blood, gore and pedophilia