Nadia and Maxime Laffargue defend Jeremy Dutertre, a young man with a lengthy criminal record accused of shooting a grocer during a robbery. Jeremy, who has made great efforts to get out of delinquency and proclaims his innocence, has a hard time controlling himself against a particularly devious opponent: Attorney General Jacques Kowalski...

Idriss and Claire defend one of his friends: Olivier Walter, the owner of a hotel, accused of raping one of his employees. The case becomes seriously complicated when the complainant turns out to be not the only one to blame the client. At the same time, Nadia sees an old fling resurface in her life when a man asks for her help in a case of flagrante delicto led by customs...

Court-appointed to Jessica Guilaume, a woman accused of drug trafficking, Maxime finds Jacques Kowalski on his path. Determined to show Nadia that he is up to the task, he decides to confront the Attorney General alone… at his client's risk.

Jeanne Vanhoven makes her big comeback to the assizes: she defends, with Maxime, David Kerval, a novelist suffering from obsessive compulsive disorder, accused of the murder of his wife. At the same time, Claire assists Jacqueline Arsena, mother of a young woman killed by Xavier Durieux, a drug addict who has just filed a request for early release. Idriss, for his part, learns that his health has deteriorated considerably...

While Idriss and Nadia travel to Paris for the trial of Carl Roussel (Stéphane Blancafort), the man who shot Idriss, Claire finds herself in the eye of the storm: Jacqueline Arsena has committed a murder and had warned her of her intentions.