The synopsis of the game follows the book of "The Count of Monte Cristo", written by the French writer Alexandre Dumas. The innocent Cyrano Bernstein is sentenced for a crime that he does not even know of, and is imprisoned in the infamous Inferno. He meets Deimos, and therefore realizes the truth that brought him to prison. In his dying state, Deimos sacrifices himself, bequeathing the Darkblood enabling Cyrano the abilities to get revenge on his enemies. He overwhelms the sword Asura, and joins the Zephyr Falcon, the Empire Resistance, and, one-by-one takes revenge on his enemies.
