Set in 14th Century Prague, the Holy Roman Empire is plummeting into chaos after the death of its reigning emperor while brothers King Wenceslas of Czech and King Sigismund of Hungary battle for control of the empty throne. Handsome, righteous mercenary leader Jan Zizka (Ben Foster) is hired by Lord Boresh (Michael Caine) to kidnap the powerful Lord Rosenberg’s (Til Schweiger) fiancée, Katherine (Sophie Lowe), in an attempt to prevent Rosenberg’s rise to power alongside Sigismund and ultimately foil their plot to take the crown. As Katherine becomes caught in a dangerous political game between sides, Jan falls in love with her. In a desperate attempt to save her, he fights back with a rebel army and battle the corruption, greed and betrayal rampant amongst those clawing for power.