In 1427, Lady Maria Van Arnstein is informed that her beloved husband Michel Van Arnstein was murdered in a battle against the Hussitas. However he was actually betrayed by his ambitious cousin Hettenhein that wants his lands and castle. The Pope's Great Inquisitor Janus Suppertour meets King König Sigismund and tells that he wants Maria for him.

Michel must go to dangerous lengths to save his wife and newborn child from the intrigues of the king’s mistress in this historical drama.

In the Holy Roman Empire during the 15th century, a royal siren finds herself entangled in a web of politics, religion, and forbidden love. She must navigate through forced marriages, executions, and the corrupt Catholic Church to protect herself and those she cares about.