After dealing with the Shut in the Balkans, Kara Ben-Nemsi ('Karl the German') receives a firman (precious passport) from the padishah (Ottoman sultan) before he continues his travels through Kurdistan. Achmed El Corda, the son of Halef's Hadedhin Beduin tribe's sheik Mohammed Emin, has been captured by the machredsh (Turkish governor) of Mossul for resisting water seizure by his Turkish troops. Kara takes charge of the rescue.

Kara Ben-Nemsi, friends and rescuers set out to free a young relative of the guardian of the treasure of the Chaldaeans (Christian sect), who is captured for that fabulous ransom.

Four American soldiers stationed near a German village face death in the rape of a local girl and are defended by outside counsel Major Steve Grant.

Aliens from a dying world plot to conquer earth by preying on man's superstitions. Bringing two dead scientists back to life, they use their knowledge to re-animate various earth monsters, including the werewolf, Frankenstein's monster, the mummy Tao-Tet, and the vampire Count de Meirhoff.

Seetha and Harold Berger are rescued from the desert by a caravan and brought to a small village. However, the greedy owner of the house where they are lodged betrays the law of hospitality and reveals their location to Prince Ramigani. The couple tries to escape but is hunted and captured by Ramigani and his men. Meanwhile Irene Rhode and her husband Walter Rhode suspect that Maharaja Chandra is not telling the truth about Harold's destiny. The conspirator Ramigani forces Seetha to accept to get married with Chandra to provoke the wrath of the priests and get the alliance of Prince Padhu and his army. In the meantime, Harold succeeds in escaping from the dungeon and seeks out Seetha to save her.

An exotic dancing girl of India inflames the passions of a traveling draftsman.

In Eschnapur, a German architect saves the life of the Maharajah's favorite temple dancer and becomes Maharajah's friend but their friendship is tested when the architect and the dancer fall in-love, triggering the Maharajah's vengeful ire.

The evil Dr. Mabuse develops a death ray with which he threatens the world.

A strangler is loose on a British estate, and he not only strangles his victims but brands an "M" onto their foreheads before he decapitates them.