In 1899, the Republic is on the verge of explosion. When the corpse of an unknown woman is found in the Seine, an ambitious young inspector is propelled into the heart of a criminal investigation which will reveal a heavy state secret.
When the Paris police's vice squad, on the orders of Police Chief Lépine, begins to clear prostitutes from the city's streets, a man's body is found in the Bois de Boulogne. Inspector Antoine Jouin is entrusted with the investigation.
