"Miracle in Cell No. 7" is a South Korean film that tells the story of a mentally challenged man named Lee Yong-gu who is wrongfully imprisoned for a crime he did not commit. The film explores themes of love, family, and justice as Yong-gu's young daughter, Ye-seung, fights to prove his innocence while forming bonds with other inmates. Set in a prison environment, the narrative highlights the struggles and camaraderie among the inmates, who come to understand Yong-gu's true character. The film combines elements of drama and comedy, ultimately delivering a poignant message about compassion and the human spirit.