On the eve of World War II, Major Benedek Zoltán is an embodiment of the service regulations in the army. He only discloses his feelings towards Anna, his brother's widow. An investigation is conducted in the regiment to identify Communists.
Kölyök, this lovely, ham-handed young woman, has caused many a trouble already in the Dunaújváros Iron Works. Fortunately, however, the manager does not want to give her up, what is more, Kölyök found a second father even at the police.