The thrilling story begins in 1318, during the reign of John of Luxembourg, when the Czech nobility rebelled against the king. However, the lord of Zlenice, Oldřich of Zlenice, did not join the resistance. He summoned the surrounding nobles to his castle for negotiations... and in the morning he was found dead. He had been murdered in his chamber, which was locked from the inside!
It is 1920, political unrest is growing in Prague and the Social Democrats are about to betray their historic mission by prioritising their own selfish interests instead of those of the working class. An extortionist scandal falls on the Social Democratic deputy Jandák, forcing him to renounce his convictions. Under these circumstances, the seriously ill Hungarian revolutionary Kerekes, who had to flee his homeland, is hiding in Prague...
