A genius rune carver is forced to transport his soul into the body of a cockroach, in an attempt to slow his rare illness. However, he is able to pull a dying soul into his original body in the hopes that they can help him cure his disease. His possessor, however, is an incompetent prince, who has not left his palace for the last 8 years and is clueless about the state of the outside world. They soon find themselves stuck in a situation bigger than both of them. Will they be able to handle their personal problems, as well as the problems their nation faces.