The film follows (played by Ryu Seung-ryong ), a father with a mental disability whose world revolves around his young daughter, Ye-sung . Their lives are shattered when Yong-gu is wrongfully accused of the sexual assault and murder of a police commissioner's daughter—an accident he was merely trying to help with.
The film is based on a true story and revolves around the life of Lee Dae-man (played by Song Joong-ki), a kind-hearted and simple-minded man who lives with his young daughter, Su-han (played by Kim Yoo-jung). Lee's life takes a drastic turn when he is wrongly accused of murder and sentenced to life in prison. Despite the overwhelming evidence that proves his innocence, Lee is unable to clear his name and is forced to spend years behind bars. miracle in cell no 7 movie
: A high-security prison cell shared with hardened criminals. The film follows (played by Ryu Seung-ryong ),