A seedy London promoter turns a naive, working-class teenager into a pop singing sensation.

Spurred on by the death of his drug-addicted sister at the hands of ruthless narcotics kingpin Frank McNally, U.S. drug enforcement agent Charles Sturgis embarks on an investigation that takes him from New York to London, Lisbon, Rome, Naples and finally Athens in pursuit of McNally's shapely associate, Gina Broger.

During the 15th century reign of France's King Louis XI, a young Scottish man is sent by his English Lord to woo a French lady on his behalf. The plan goes awry when the young man falls in love with her. Based on the classic novel by Sir Walter Scott.