Heo Jin-Uk (Bae Soo-Bin) is serving a life in prison term. After years in prison, he is informed that he is terminally ill and he will be released from prison. For the past two years, he has been visited in prison by Ji Yeon-Su (Lee Yoon-Ji). She is part of a volunteer group that tries to help reform prisoners. Without having anywhere to go, Heo Jin-Uk visits Ji Yeon-Su. Her personal life is far different than what he envisioned.