RIYADH: A deserted mountain road, a stranded stranger, and a simple act of kindness that turns into a nightmare. These are the ingredients of “Traveler’s Hell,” an upcoming psychological thriller based on Osamah Almuslim’s bestselling novel and directed by award-winning Saudi filmmaker Hana Alomair. Produced by MBC Studios and filmed entirely in the Kingdom, the adaptation stars Adwa Bader, Basil Alsole, Mohammed Ali, Shojaat Nashat and Aziz Gharbawi. For Alomair, adapting a novel with a devote