Widowed yeoman Tuma and his household are on their way to help the town of Kourim, which is under attack by the papist troops. His son Ondra is secretly following his father. Miksík the castellan, who is responsible for Ondra, finds himself forced to set off after the boy. They are both captured by soldiers from Kutná Hora. Miksík sacrifices himself to give Ondra a chance to flee. On the way, Ondra runs into the orphan Sulík. The two boys become friends and begin to wander together.
Josef Filip
as Ondra
Jan Kraus
as Sulík
František Hanus
as Vít Pracka
Vladimír Ráž
as Tuma from Kolce
Ilja Prachař
as General Zizka of Trocnov
Martin Růžek
as Bohuslav von Schwanberg
František Filipovský
as Adam Chrust
František Smolík
as Surgeon
Josef Větrovec
as Castellan Miksík
Vladimír Hrubý
as Konrad Hornung - Spy
Karel Smyczek
as Kuno - Spy
Miloš Vavruška
as Schwamberg Aide
