A group of experienced archeologists are searching for an old and mystic Phoenician treasure when they are surprised by a series of mysterious murders...

Matter-transmitter sabotage leaves a British scientist (Bryant Halliday) disfigured and full of amps.

In Africa, a professional hunter kills a male lion which is sacred to a local tribe which also practices voodoo; and when he returns to England, he finds himself deteriorating under the influence of a curse which they have placed on him for his sacrilege.

An evil hyponotist/ventriloquist plots to gain an heiress' millions.

Bryant, an American, arrives at the Gare de Lyon after serving a sentence of hard labor at the Baumettes prison for stealing gems (which, incidentally, have not been found). He was immediately spotted and followed by individuals with knowledge of his past activities. One of them, in particular, pursues him mercilessly and, after a series of twists and turns, kills him, without ever finding the treasure.

The film evokes all the aspects of bullfighting - its history, the bulls, the toreros, the arena, the audience - and involves numerous matadors from the era.