The "black robe" in the title of this suspense film belongs to a female lawyer, Florence Nat who has just lost a case in which she defended Simon Risler, a man wrongly accused of murder. Risler escapes before he can be put in prison, and seeks help from attorney Nat in finding the real killer, partly by going after the police inspector who framed him in the first place. A retired surgeon, in the process of setting up a drug rehab clinic gets involved in solving Risler's case, and soon the solution seems to be pointing to high-ranking figures with every desire and ample means to keep the truth well-hidden.
Le chef du chantier
André Fragman, nicknamed "Fairbanks" after his childhood idol by his film projectionist father, returns home from military service. He meets and falls in love with Marie, an aspiring actress who is rehearsing for a stage production of 'Alice in Wonderland'. All his attempts to find a job and a way out end up in failure, his friends Étienne and Jean-Pierre are powerless to help him, and the dreamy yet desperate hero loses his mind.
A bus conductor gets dressed for work in the morning, goes to the toilet, where he is killed by a bomb. The Commissioner and his fat, bumbling assistant, Inspector Charbonnier are put on the case. After interviewing friends, wives, colleagues, and spying on strangers who might be connected, our heroes trace the assassin down to a mental institution where, it seems, the murder victim has been an inmate for the last three years...
Le policier
A Victor Vauthier parece que la suerte le ha vuelto la espalda. El día que sale de prisión, después de tres meses de arresto, sólo se encuentra con desgracias: vende el apartamento de su ex amante y pierde el dinero en las carreras, trata de vender un yate, que se hunde con el comprador a bordo; intenta consolar a la mujer del presunto ahogado y el marido los encuentra en la cama. Marie-Charlotte, la asistenta social que debe ayudarle a integrarse en la sociedad es, casualmente, la hija del conservador de un museo que alberga un valiosísimo tríptico de El Greco. Víctor llega a la conclusión de que sólo poseyendo tan valiosa obra de arte podrá alcanzar la reinserción social.
Un sanguinario hampón se evade de prisión tras asesinar a sus compañeros de celda y con un compañero de fechorias traman el asalto a un furgón lleno de lingotes de oro.
The Plot focuses on Dante Alighieri, a young man who loves smoking. When his father dies Dante inherits $17 million on one special condition: He must give up smoking in 14 days and then stay smoke-free for an entire year. If he fails, his uncle inherits the $17 million instead. Dante has a living hell while trying to quit, and hires a private detective agency called Little Secret Service who he gives free hands to stop him from smoking, While his uncle, who has taken up smoking himself, also does everything he can to make Dante smoke again.