Ahmed, son of Diana and Sheik Ahmed Ben Hassan, falls in love with Yasmin, a dancing girl who fronts her father's gang of mountebanks. She and Ahmed meet secretly until one night when her father and the gang capture the son of the sheik, torture him, and hold him for ransom.
Gervas Carew's wife, Elinor, has deserted him while he was fighting for France, for Lord Clyde Geraldine, a cad of the first order, but Elinor, in turn is cast off when Lord Geraldine turns his attention to an Irish lass, Marny. Marny has no idea of Geraldine's past nor his brutal nature.
Barry Craven meets former sweetheart Gillian Locke, who is visiting India with her father. Craven's love for Gillian is revived, but he already has a wife, Lolaire, a native. In a jealous rage, Lolaire kills herself, freeing Craven, who returns to England and marries Gillian. His Indian servant, Kunwar Singh, casts a spell on Craven, causing him to leave Gillian and to go into the Algerian desert. There he joins Said, an old university friend who is the son of an Algerian sheik. Gillian follows, the servant is killed, and with him dies the spell, "The Shadow of the East."
Sheik Ahmed desperately desires feisty British socialite Diana, so he abducts her and carries her off to his luxurious tent-palace in the desert. The free-spirited Diana recoils from his passionate embraces and yearns to be released. Later, allowed to go into the desert, she escapes and makes her way across the sands...
