The alluring world of Arabia is gradually opening up to topographer and antiquities enthusiast Christopher Fordyce. He arrived from England to unravel the mystery of the ancient amulet with turquoise and diamonds that had accompanied him since birth. In the emirate of Nessar, fate pits a stranger against Princess Tahira, a representative of the ruling dynasty. Common interests and strong mutual attraction bring young people closer and closer together, and the outbreak of passion, which they do not dare to give vent to, makes their romance unusual and intense. Tahira's upcoming engagement to the emir of a neighboring state makes the situation especially acute. Will Christopher be able to save his beloved?