Parole Examiner Lee follows lawyer Lee Han Shin, who becomes a parole officer responsible for making final decisions on inmate paroles. Lee Han Shin is determined to prevent inmates who show little remorse for their crimes from obtaining paroles through money, connections, or deceitful tactics.

Go Soo, Kwon Yu-ri, Baek Ji-won, Lee Hak-ju, Song Young-chang, Kim Young-woong, Kim Min-jae, Hwang Woo-seul-hye, Nam Tae-woo, Cho Seung-yeon, Lee Do-yeop, Kim Hye-hwa, Park Jeong-hak