Jean-François Allard, a former officer of Napoleon driven from the army, his future seems darkened. He finds André Ventura, his best friend in the army who embarks to deliver a jewelry to Prince Shiraz of Persia.
Exalted at the idea of fighting against the English, Jean-François drags André towards the East of India. they must cross the Indus River under the beard of English patrols and hungry crocodiles. They are not at the end of their sentence.
Seduced by the temerity of Jean François Allard and André Ventura, the king of the Punjab, Ranjit Singh, appoints them generals. The king's plan is to reconquer Kashmir, a province stolen from him by the Afghans.
Coming from Kashmir, the Afghans swept over the Punjab. Allard and Ventura develop a daring defense: they will send only a cordon of troops in front of the invader, and will attack by surprise the citadel of Bajari.
Jean-François and Amrita's honeymoon is abruptly interrupted: the King having decided to liberate Kashmir, the war resumes. Everything is bad for the troops in the Punjab and Allard is taken prisoner by the Afghans.
Sarduddin, attempts to overthrow King Ranjit Singh. Allard goes in search of the rebel leader and he annihilates his enemy. When peace returns, the two friends learn extraordinary news: Napoleon has escaped from Saint Helena.
Webster, an eccentric American has decided to organize a masked ball on board the Niobé. Unfortunately, an unwanted guest comes to the party: a corpse.