Given the question: Build a movie plot around this: Under whose custody is the al-Khamsa line? Sheikh
The answer is:
In 1890, American Frank Hopkins (Viggo Mortensen) and his mustang, Hidalgo, are part of Buffalo Bill's Wild West show, where they are advertised as "the world's greatest distance horse and rider". Hopkins had been a famous distance rider, a cowboy, and a dispatch rider for the United States government; in the latter capacity he carried a message to the U.S. 7th Cavalry Regiment authorizing the Wounded Knee Massacre of Lakota Sioux.Wealthy Sheikh Riyadh (Omar Sharif) has sent his attache Aziz (Adam Alexi-Malle) to ask the show to either stop using the phrase "the world's greatest distance horse and rider" or allow Hopkins and Hidalgo to prove themselves by entering the Middle Eastern "Ocean of Fire" race: an annual 3,000-mile survival race across the Najd desert region. The Sheikh is custodian of the al-Khamsa line, considered to be the greatest distance horses in the world, and traditionally the race has been restricted to pure-bred Arabian horses and Bedouin or Arab riders.In addition to the grueling conditions, prevailing animosity and contempt for a Christian "infidel" and "impure" horse, horse and rider face stiff competition, including the wealthy and unscrupulous British horse breeder Lady Anne Davenport (Louise Lombard).To complicate matters, Sheikh Riyadh has promised his daughter Jazira Jazeera (Zuleikha Robinson), his only surviving child, in marriage to the rider of his horse, should he win. She hopes to prevent this by giving Hopkins advice and information to help him win, thereby resulting in greater danger for them both. Sheikh Riyadh's outcast brigand nephew, who will stop at nothing to gain control of the al-Khamsa line, raids the race camp, kidnaps Jazira, and threatens to kill her unless he gets his uncle's prize stallion racer as her ransom. Hopkins manages to rescue Jazira. However, Davenport and the Sheikh's nephew try to sabotage the race by eliminating the rival riders, but are thwarted when Hopkins kills the nephew.For Hopkins the Ocean of Fire becomes not only a matter of...