Synopsis:

An airplane crashes in the Sahara desert and the only survivor is a little boy, Rene (Anthony Delon). The child is found by the Emir Tafud (Giuliano Gemma) and his wife Leila (Claudia Cardinale). The couple adopt the boy and call him Ben. They raise him as their own son together with their daughter Amina (Mandala Tayde).
Twenty years go by and the children grow up without knowing that they are not really brother and sister. When an old woman reveals Ben the truth, he's shattered and leaves his kingdom in search of his true origins.
He embarks on a difficult journey which takes him to France where he finally meets his birth mother.
His mother now owns of the company once founded by his father, who died, and has re-married to a tough business man once friend and partner of her husband.
In Europe, Ben meets with Magda, a beautiful young girl who falls in love with him. Various events and twists of fate bring Ben back to the land of Betlem. He wants to find out the truth about his father’s death as well as taking his place as Prince of the Desert.