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.

Paris, France, 2001. Octave Parango, a young advertiser working at the Ross & Witchcraft advertising agency, lives a suicidal existence, ruled by cynicism, irresponsibility and debauchery. The obstacles he will encounter in developing a campaign for a new yogurt brand will force him to face the meaning of his work and the way he manages his relationship with those who orbit around his egotistic lifestyle.

Victor Valance, an absent father and gambler, works with shady casino operations abroad. When he returns to Paris in need of money, he plans to take advantage that Pauline, his eldest daughter now fully responsible for the whole family, has begun to work for the Ministry of Finance. Pauline thwarts his new projects but when she realizes gangsters are looking for Victor she will put her life at risk to help him and save their family.

Two ex-convicts, MG and Gilbert find refuge in a charming middle-class house whose couple is about to celebrate its 20-year old marriage. Our duo has no other solution than to take this entire brood in hostage. But, contrary to all expectations, they are warmly greeted by the occupants who don't think twice before helping them, they are even ready to put their guests off, even to kill them if necessary...

The story of Adèle, a youg woman who’s literally haunted by the death of her husband, killed in a trench during World War One. Desperate and unable to face this tragic loss, Adèle turns to black magic in the hope to bring her lover back. The miracle will happen, but Adèle will have to pay the price for opening this Pandora Box.