The son of a besieged Shogun in war-torn 17th century Japan travels to Spain to buy weaponry from the king.

After "The Poseidon Adventure", in which the ship got flipped over by a tidal wave, the ship drifts bottom-up in the sea. While the passengers are still on board waiting to be rescued, two rivaling salvage parties enter the ship on search for money, gold and a small amount of plutonium.

After being freed from a Vietnamese war prison, French Lt. Col. Pierre Raspeguy is sent to help quell resistance forces in Algeria. With the help of the Capt. Esclavier, who has grown weary of war, and Capt. Boisfeuras, who lives for it, Raspeguy attempts to convert a rugged band of soldiers into a formidable fighting unit, with the promise of marrying a beautiful countess if he's made a general.