More than a year after the death of Menard and the bomb explosion suffered by Roman Falco lives in forest, alone, fleeing the violence and the city. He is determined to no longer set foot in the police. But fate decided otherwise. A mysterious serial killer plaguing the capital-acting apparently on behalf of Michel Drouet, a child killer behind bars for twenty years. Falco is the only one to have done speaking in a previous survey. For Pereggi Commissioner, Falco is the only way to stop the killing and to speak Drouet. We must convince him to return. Reluctantly, Falco eventually accepted. Two days. No more. But the clash between Drouet and Falco is just the beginning of a series of events that will end tragically and surprisingly ...