The Black Tent (1956)

"The Black Tent" is a 1956 Romance movie directed by Brian Desmond Hurst and starring by Donald Sinden, Anthony Steel. During the British retreat through Libya, a British officer takes shelter with a group of Arab Bedouin. He marries the chief's daughter. Sometime later, his younger brother, who had believed him to be dead, is informed that he may be alive in Libya - prompting him to set out and search for him.