A film that returns to the universe of The Last Word (Poslednata Duma), where Binka Jeliaskova explored the circumstances of a group of women sentenced to death for their anti-fascist political struggle during World War II. In Lullaby (Nani-Na), we meet children who, because their mothers are imprisoned, are born and raised in the penitentiary. Their lives and destinies are forever marked by the dreaded figure of prison.