"Imperial troops are besieging the city. The inhabitants are preparing for a strenuous defense of the Republic. While the armies await the final battle, evil creeps into the art of the Renaissance, spreading horror and heresy. Clara, a servant who is passionate about art, falls under the spell of a cursed painting. Soon after she begins to investigate, the masterpiece is stolen. Why? What is happening to her? What intrigues lurk beneath the rivalry and envy of the town-dwellers?"