For one hundred years, no outsider has set foot inside the Queen's kingdom... The ruling Queen has been developing her own scientific methods in secrecy. As soon as Michiru, a foreigner, enters the kingdom to investigate, the queen is murdered.

Adaptation of the novel. Novel summary: It?s 2113. Michiru has to make an emergency landing with her small airplane in an unfamiliar land. With her companion Rodi, she eventually arrives at an isolated fortress city inside a forest. It?s like a tiny paradise ruled by the queen Debou?suho. However, what starts with a murder on the festival night turns into a hidden secret in what should be a perfect city, a secret that ties in with Michiru?s own past. A story about the rivalry between the will of god and the dignity of humans, a new frontier for the author?s mystery novels.