Toward the close of World War I, European railroads in Djibouti are under siege by bands of indigenous warriors, while one of the white employees falls for a mysterious woman tied to the rebels.
Not content to be an austere judge, M. de Méricourt is also a domestic tyrant. He terrorizes his son René to such an extent that the young man has dared not confess to him that he has married. As can be guessed, a lot of confusion ensues.
