The Gascon nobleman, Baron Charles de Castelmare leaves the war-torn castle and goes to Burgundy to join the mercenaries of Duke Philip the Good. Fate brings him together with a certain Valerie Sconzi, who is a secret agent of the Vatican. The war between France and England flares up with renewed vigor. Burgundian mercenaries take the side of the British. At a critical moment for France, a certain Jeanne Lassois-Rome from Lorraine appears, convinced that she was sent by God to unite the French and destroy the British. She goes to Chinon to visit the Dauphin. Charles VII comes to the conclusion that his sister Baroness Joan of Arc can cope with the role of the Virgin from the prophecy. The French win a number of victories. Joan of Arc, inspired by success, makes a daring foray with a small detachment and is captured by the Burgundians, led by Captain de Castelmare...