Arsène Lupin decides to run a detective agency in addition to being a gentleman thief. As a detective he happens to cooperate with police in order to unveil the criminal activities of a villain. When he succeeds the villain returns the favour. The unmasked Arsène Lupin manages to escape with the villain's gangster moll as his new companion.

An honest worker is made redundant, but he will solve his problems by marrying the employer's daughter.

Dedicated to men, natives and French, which under the leadership of General Lyautey, made modern Morocco. After a historical prologue where we see Clemenceau yield to the entreaties of Lyautey, we are witnessing the arrival of settlers on Moroccan soil with the rapid rise of one of them: the ambitious Bourron. Similarly it has conquered the land from scratch, Bourron could conquer a woman, Christiane, who followed him not without confessing his love for another man. It is this love that Bourron will use later to acquire a forest of olive trees, which he believed to be the symbol of its success. Christiane accept but never forgive her husband...

A Parisian museum director believes his wife has lost interest in him and so places a poisoned cigarette in the box on his desk - thus allowing chance to decide the moment of his death.