Přemysl II. Otakar celebrates the fifteenth anniversary of the coronation of the Czech king. His wife Kunhuta, along with several leading magnates, will prepare him as a surprise spectacular celebration in Křivoklát, where not only his faithful supporters, but also a number of foreign allies. Among the guests is Oldřich of Chlum with his helper Panoš Ota. One of the highlights of the festival is a knight tournament, which is attended by all knights and also the Czech king. And this tournament begins with a number of cruel murders, which Oldřich of Chlum has to clarify as quickly as possible, so this time it is not only about justice, but also the fate of the Czech royal crown…