1917. Nivelle "The Butcher" commands the French Army, and the attacks he keeps ordering are pointless slaughters. The soldiers can't take it anymore. Discontent is turning into rebellion, and a petition begins to circulate in secret. When it makes its way to the men of Sergeant Sabiane, they see an opportunity, and what started as a simple cry of defiance becomes a full-blown mutiny when a handful of them decide to take the petition to Paris...