1552, the great Turkish Empire wants to conquer Europe, and the world. The last stand is Hungarian Kingdom, and the castle of Eger. The brave soldiers decides they will fight till the end of their lives.

Following the partly fictional story of the novel (by Géza Gárdonyi) we see the rise and love life of a gallant Hungarian soldier, Gergely Bornemissza, who is also present at the Battle of Eger - one of the most important battles against the Turkish Empire.