Hammer Films co-produced this lavishly mounted adventure, the fourth adaptation of the novel by . In Jerusalem, Leo Vincey (John Richardson) meets with a slave girl, Ustane (Rosenda Monteros), who has been charged with bringing him to an immortal queen, Ayesha (Ursula Andress). Ayesha, who desires Leo because of his resemblance to her long-dead lover, offers riches if he will travel to her lost city in the mountains, where a magical flame will also give him eternal life. Accompanied by his adventurous friend Major Horace Holly (Peter Cushing), Leo sets out for the fabled city across the desert, but along the way Ustane causes trouble when she decides she wants Leo for her own. (1965) was followed by a sequel, (1968), although the follow-up did not star Andress.