The French Revolution broke out in 1789. Simone, a beautiful girl, grew up as the daughter of a florist on the island of Cité. She shares a secret with Marie Antoinette, the queen of Louis XVI, and hides her true identity as she fights against the corrupt aristocracy as the "Star of the Seine," a swordsman, for the people who are suffering from the evil regime. What will be the fate of Antoinette and Simone?!