Jochen Brockmann

In Eschnapur, a local Maharajah and a German architect fall in-love with the same temple dancer.

A German architect runs away with the maharajah of Eschnapur's fiancee but is caught and thrown in the dungeon, while his relatives arrive from Europe looking for him and the maharajah's brother is scheming to usurp the throne.

The sister of the criminal named "Hexer" is murdered. Scotland Yard Inspector Higgins believes that the criminal will surface to take his revenge and plans to set a trap to finally capture him. However, bodies soon start piling up.

Scotland Yard and an American playboy investigate a criminal gang led by a mysterious man in a frog-like mask.