The orphaned son of a British soldier in late 19th-century India is drawn into a world of espionage and intrigue through his friendship with a horse dealer - who turns out to be a member of the British Secret Service. Action adventure, adapted from Rudyard Kipling's classic story, starring Errol Flynn, Dean Stockwell, Paul Lukas, Robert Douglas and Cecil Kellaway.

During the British Raj, the orphan of a British soldier poses as a Hindu and is torn between his loyalty to a Buddhist mystic and aiding the English secret service.