Engine trouble causes an Athens-bound passenger jet to divert to Beirut for a 24-hour layover. “There is no reason to worry,” the pilot announces. Perhaps there’s no reason while in flight, but there are plenty of reasons on the ground: a crewmember’s covert involvement with a gold-smuggling cartel puts the lives of all the crew in danger. Lex Barker, the handsome star who reigned as the screen’s Tarzan from 1949 to 1953, and movie legend Mickey Rooney headline this tale of jet-set intrigue. Adding to the tale’s international flavor and eye-filling appeal are film locations in colorful Beirut, “the Paris of the Middle East,” and in the ancient, historically significant site of Byblos.