The fates of both worlds lie in the hands of Rodolpho Edward Skelius "Skelee" Bones. In Skelee Boy and the Two Worlds, Skelee faces a life-changing decision that involves not only his family and friends in Spooky World but also his friends in the human world. No thanks to Theophilus, the heir to the Demon King legacy and son of the once powerful grand-demon. Theo is out to destroy and eliminate Skelee Bones. With the help of a new demon and a slew of events involving a frightening rollercoaster ride at an amusement park, a fiery blast in a movie theater, and finally, a forest inhabited by blood-thirsty werewolves, Skelee fights against a vengeful Theo on a daring rampage that puts both worlds in grave danger. Skelee must find a way to save the inhabitants of Spooky World in the human city he is living in while protecting his own home, which is vulnerable to the evil and destructive power of Theo and his imminent birthright.