A phantom thief queen—whose age and gender are unknown—flies around the world on an airship in search of treasure. A gemstone the queen had their sights on is stolen from them by a mysterious circus troupe, and a game soon unfolds between the queen and the troupe's magicians, hypnotists, and other members wielding special abilities.

The archenemy of Sherlock Holmes, James Moriarty, reincarnates into the unfortunate and beautiful noblewoman, Sherry Moriarty, who suffers from bullying by noble girls. The story unfolds with the two Moriartys in a ruthless and tearless intellectual revenge drama...!