Zločin na Zlenicích hradě (1972)

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!