One Stolen Night (1923)

Diantha Ebberly travels with her parents to the edge of the Sahara to meet her longtime betrothed, Herbert Medford, whom she has never seen. She is rescued from a swarm of beggars by an "Arab," then meets him again when she slips out at night in native dress. They fall in love, but Diantha is abducted by Sheik Amud, then returned safely home by the "Arab." The next morning Diantha discovers her fiancé and lover to be one and the same.