Since the end of the 19th century, Indochina has been a flourishing colony, the gem of the French Empire. However, the Second World War turns everything upside down. At the end of the war, the Viet Minh movement announces the independence. The general Leclerc is thus in charge of restoring the French authority. However, on the spot, he realizes that the situation is not controllable and initiates negotiations. But in high places, there is no question of giving in. An unpopular and very tough war breaks out, a conflict which will end in the hell of Dien Bien Phu.