The dice seal her fate. Prague 1618. From one day to the next, the young Protestant Karola Kusenius is torn from her well-protected home. Her father, the master builder, has lost her and his entire fortune in a game of dice to the Catholic bon vivant Christoph Sahrenburg. Instead of marrying her, however, he only wants to get his hands on her property. His righteous brother Matthias comes up with a bold plan: he will take her as his wife. But this is prevented not only by the political and religious turmoil after the Defenestration of Prague, but also by the diabolical intrigue of his stepmother Maria...