Simon Varlet is an experienced, brilliant lawyer who says out loud what others only think. He is more devoted to his fees than to the interests of justice or the code of ethics. As a form of "punishment," his friend and bar president assigns him to defend Philippe Moreau, a young priest accused of killing one of his parishioners. Unconcerned by the case and allergic to religion and all forms of idealism, Simon is convinced that his client is guilty. Will he remain convinced?

Pauline, a fifty-year-old woman going through a divorce, starts a career as a lawyer, but her first cases end in disaster. She is assigned to a case of arson on a farm, which quickly turns into a double murder against a backdrop of family discord. The novice lawyer is confronted with the code of honor of the farming world. She uncovers a family drama that has been kept secret for thirty years.

Among France's top lawyers, Gloria Mendoza is a legend. She made a name defending mobsters before widening her list of clients to include ordinary citizens involved in crimes of blood. She won every case, earning the disapproval of the Bar Council for her loose ways with the code of ethics, and became known as "The Devil's Advocate". Now retired, Gloria is convinced there's a link between the deaths of a 15-year-old girl and her daughter.