On an African safari with his friend Grant, Clyde Beatty plans to buy some black-maned Numbian lions from Jo Carter but her animals are wiped out by a fire.
Twins (both played by Infante) are separated while very young, one raised as a singer by their widowed mother and another as the heir to one of Mexico's richest families.
Mickey Rooney, plugging his latest Columbia film, stops by Ralph Staub's editing room and film vault, and the two of them watch clips from Rooney's films, dating back as far as the Mickey McGuire comedies.
"The Man from Cairo", a Michaeldavid production for distribution by Lippert, with Ray Enright the only credited director on the film print, finds Mike Canelli, the man from Cairo, nosing around Algiers with mystery surrounding the people he meets and the things he does and has done to him, all deriving from the war-time theft of $100,000,000 in gold which lies somewhere in the adjacent desert.