A wealthy young Hebrew traveling in Damascus renounces his faith after he is seduced by an alluring pagan priestess and cheated of his fortune by the High Priest as well.

The residents of a small town are excited when a flaming meteor lands in the hills, until they discover it is the first of many transport devices from Mars bringing an army of invaders invincible to any man-made weapon, even the atomic bomb.

In New York, Sheila Bennet and her spouse, Matt Krane, are trying to unload a trove of rare jewels they smuggled into America from Cuba, but the police are hot on the couple's trail. Meanwhile, government officials begin a desperate search for an unknown individual who is infecting the city with smallpox.