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.
Un officier
Solange is depressed: she's stopped smiling, she eats little, she says less. She has fainting fits. Her husband Raoul seeks to save her by enlisting Stephane, a stranger, to be her lover. Although he listens to Mozart and has every Pocket Book arranged in alphabetical order, Stephane fails to cheer Solange. She knits. She does housework. Everyone, including their neighbor a vegetable vendor, agrees that she needs a child, yet she fails to get pregnant by either lover. The three take a job running a kids' summer camp where they meet Christian, the precocious 13-year-old son of the local factory manager. It is Christian who restores Solange to laughter
Le premier Ministre
After years of poverty, Carrier, a repairman, inherits a large sum of money upon his brother's death in an accident. Now rich, he decides it is time to make his mark and be known at any cost. Becoming more and more mentally unstable, he begins to threaten police and the government signing his tracts, "Armaguedon". A detective from Interpol heads the investigation and prepares a trap at an international conference of world leaders in Paris.
