Inspector Dieuswalwe Azémar has no choice: if he wants to avoid being dismissed from the police force, he must undergo the rehabilitation program mandated by his new superior. It becomes a journey through hell. In this weakened state, he finds himself drawn into a conspiracy that threatens his life and that of his daughter. The trail leads to the UN military contingent in Haiti. What lies behind the alleged suicide of a general? Why was the son of an influential business family kidnapped? What role does the gang leader with the strange name Raskolnikov play in all of this? As the inspector begins to understand how everything is connected, he once again relies on his Beretta and his reflexes.