Idriss Toma is 46 years old, he is a Parisian lawyer for the rich. He is the victim of an attempted murder, he escapes but he has an inoperable bullet fragment which could be fatal to him at any moment. Idriss wants to correct his mistakes and decides to return to Lille by joining forces with Nadia Ayad, a committed lawyer, and Jeanne Vanhoven, a former member of the bar. Together, they decide to put their talents at the service of those whom the judicial machine threatens to crush.