The story is set in Paris, on the eve of the French Revolution. The civilians have been suffering under the tyrannical rule of Louis XVI. In order to release the people from their suffering, a young girl named Simone stands up against the corrupted aristocrats after they killed her parents. Covering her face with a red mask and leaving a red carnation as a mark of her presence, Simone becomes the La Seine no Hoshi.

Based on Alain Delon's 1963 movie La Tulipe noire.