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The Vanishing Dagger Synopsis

John Grant, an American, is visiting in England with the family of Sir George Latimer, in a fine house near London. Prince Narr, of the royal house of Numidia, is also a guest with his retainers. Prince Narr is possessed of a strong hypnotic power, which he demonstrates in the course of a reception. After a few days Prince Narr falls in love with Sir George's daughter, Beth, and asks for her hand in marriage. Sir George does not believe in intermarriage between the white and dark races and refuses the prince's offer of his hand. This arouses the latter's displeasure and he also becomes intensely jealous of Grant, who has saved Beth from death during a ride behind the hounds. To avenge himself Prince Narr presents Sir George with a jeweled dagger, and through hypnotic suggestion commands Sir George to commit murder. The crime is really committed by a servant of the Prince, but Sir George is made to believe himself guilty. He is forced, while under the spell, to write a confession across Beth's forehead, which confession is in indelible ink. This at first fades out, but later reappears and can only be removed by a solution concealed in the dagger. The latter weapon is stolen by Claypool, a notorious criminal, and brought to America, where the chief characters follow in due time.

Caravan of Death Synopsis

Bela Lugosi plays a lascivious Arab sheikh confronting European travelers in the desert in an adventure story set in the Sahara.