A story set in 12th century England and the Middle East tells of twin brothers who came to love the same woman.
Salah-ad-din, Commander of the Faithful, Sovereign of the East, has a neice but she is also the daughter of one of King Henry III advisors. Her father Sir Andrew D'Arcy, had been a prisoner of Salah-ed-din, but he had also been his friend. Sir Andrew had fallen in love with Salah-ed-din’s sister Zobeide. They managed to escape, and Andrew and Zobeide fled to England where she bore him a daughter, the Lady Rosamund. Until her mothers death Rosamund had spoken mostly Arabic, and her mother died two days before Rosamund's sixth birthday. When Salah-ad-din learned of his niece through a dream he had three times. The dream said that through her he would save the lives of a vast number of men, so he decided to bring her back to Damascus, no matter what the cost. Living with Sir Andrew are the orphaned twin sons of his younger brother, both of them love Rosamund.