Karádi prepares the boys for the coming military exercise when Urbán learns that Ildikó's son is gone missing. He immediately slip away from the barracks and begins a private investigation. Meanwhile, it turns out that ten other children of the same age also disappeared from the village on the same night, several of them from soldier's families. Urbán is a little longer away than he expected, and the crossing begins without him.
—mrtanaka