The story of Banou starts in Persian. She was a princess in Persian. On the day of her wedding, her husband to be was accused of being a traitor and the entire family to be executed and exiled. She and a maid are sent out of the capital to be sold as slaves. On the silk route, at an inn. She met a young trader and became his sex slave. He bough them to Tang dynasty. He turn out to be a Prince with his own harem. She begin her life her life in china and learn everything from scratch. She even give birth to a son. Later she was recognised by the Persian envoy. With he demand she retain back her title as princess and she married another prince. With him, they start a family of many children. However when the sultan is dying she is the remaining daughter to return back to her father to take the throne.