At the end of the fifteenth century, the armies of King Charles VIII of France go through Italy to conquer the Kingdom of Naples. One of the French captains, Bellabre defeated and ridiculed in a parade tournament by a young unknown, Pierre Terrail, seigneur de Bayard, takes under his control, to take revenge by making him know the harsh reality of war. But very quickly the aging Bellabre is overshadowed by the feats of the young warrior; he decided to devote himself to the glory that will become the Bayard knight without fear and without reproach.