Prison for the King concludes as the 21st novel a series of royal sagas of the Przemyśl and Luxembourgers, which began in 1169 with the Tale of the Younger Brother in the volume Birth of the Kingdom. Ludmila Vaňková wrote a chronic novel about Czech monarchs in Prison for the King until 1403.
Wenceslas IV. he never wanted to be the master of the world, so they want to dethrone him from the Roman throne. In his defense, comradeships of warriors come forward, and the leader of one such company is the hitherto unknown Jan Žižka. Sigismund wants to force Wenceslas to be crowned emperor in Rome and holds his brother by force in Austria, but young Jan Žižka and other fighters are determined to free their king from Viennese captivity. A wiser Wenceslas returns to Bohemia, who knows that the king's prison is his throne.