In 1910s Paris, a sewer worker disillusioned with Christianity feels his prayers have been answered when he chances upon a street waif and they fall in love.
A Japanese man claiming to be Mr. Moto, of the International Police, is abducted and murdered soon after disembarking from a ship at Port Said in Egypt. The real Mr. Moto is already in Port Said, investigating a conspiracy against the British and French governments.
