Miss Gwenda Guilford, her uncle Oscar Trevors, sent an encrypted letter saying that he was a prisoner and needed police help. But Miss Gwenda first comes with this letter to a psychiatrist, because shortly before his disappearance, her uncle declared himself the heir to the king of the non-existent state of Bonginda. However, when Miss Gwenda begins to be pursued by a monster accusing her of treason against the king of Bonginda, it becomes clear that the story is not limited to madness Trevors... The girl is in serious danger, and it’s good that she has defenders - lawyer and romance novelist Bill Joyner and cold-blooded dandy Selby Lowe.