The construction of the new Landštejn castle progresses slowly and faces many difficulties, as the remote location and long supply routes leading through deserted forests place extraordinary demands on the organization. Although the disappearance of the main builder is initially marked as mere desertion, the subsequent death of his deputy is, after investigation, evaluated as a malicious murder.
Now it is the task of Hartman of Týnec, the royal commissioner for the construction management, to quickly uncover the hidden enemies with the help of Sigibert of Sichelbach and other local settlers, who will stop at nothing to prevent the construction of the castle...