The Indian Tomb, Part I: The Mission of the Yogi (1921)

Ayan, Maharajah of Eschnapur, believes that his wife, Princess Savitri, has been unfaithful to him with officer Mac Allan. He decides to bury her alive, so he sends the Yogi Ramigani to England to look for Herbert Rowland, an architect; but when he orders him to build a tomb, Rowland refuses.