The bloody hostility of two noble families on Corsica shapes the destiny of twins born conjoined. Surgically separated as newborns, the brothers are raised apart, unaware of one another’s existence. Upon reaching adulthood they meet, and join forces to avenge their parents’ murders.

When Dr. Anthony Edwardes arrives at a Vermont mental hospital to replace the outgoing hospital director, Dr. Constance Peterson, a psychoanalyst, discovers Edwardes is actually an impostor. The man confesses that the real Dr. Edwardes is dead and fears he may have killed him, but cannot recall anything. Dr. Peterson, however is convinced his impostor is innocent of the man’s murder, and joins him on a quest to unravel his amnesia through psychoanalysis.

In the Fifteenth Century, France is a defeated and ruined nation after the One Hundred Years War against England. The fourteen years old farm girl Joan of Arc claims to hear voices from Heaven asking her to lead God’s Army against Orleans and crowning the weak Dauphin Charles VII as King of France. Joan gathers the people with her faith, forms an army and conquerors Orleans. When her army is ready to attack Paris, the corrupt Charles sells his country to England and dismiss the army. Joan is arrested, sold to the Burgundians England and submitted to a shameful political trial in Rouen castle.

Don Gallico is an inventor of stage magic effects who aspires to become a star in his own right. Just before his first performance his act is shut down by capricious manager Ross Ormond who wants Gallico’s brilliant buzz saw effect for the act of The Great Rinaldi, an established star. With this defeat, and the humiliation of having already lost his wife Claire to Ormond, Gallico decides it is time to take matters into his own hands.