The directors of a company threatened by a railroad construction project in Africa decide to have the General Secretary of the Franco-African consortium killed. Géo Paquet, known as "Le Gorille", a DST spy, attempts to infiltrate the gang.
Roger Hanin , Roger Dumas , Fernand Fabre , James Campbell , Guy Kerner , Armande Navarre , Jean-Marie Rivière , Jean Le Poulain , Pierre Dac , Leroy Haynes