
In 1960s Germany, criminal mastermind Dr. Mabuse uses hypnotized victims and the surveillance equipment of a Nazi-era bugged hotel to steal nuclear technology from a visiting American industrialist.

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.

British Secret Service agent Major Anders is dispatched to Malta to investigate Professor Larsen, who has invented a powerful weapon of mass-destruction, a death ray machine on his island.

Catherine Miller, a star of the Casino de Paris, is noticed by the author Alexandre Gordy.