(Plot) Decades have passed since the opening of Japan to the West. A young man goes to the British Empire in order to become an honorable lawyer. On the night he landed in the British Empire, he was invited to a masked ball at Buckingham Palace. He encounters an unexpected incident there. A foreign exchange student, Soseki Natsume, was murdered... Starring Hikaru Rukaze, Hibari Yamabuki, Chiaki Takato, Rui Akina, and Rei Natori.