A wrongfully convicted young man begins a life behind bars just as the prison's top dog inmate faces a power struggle with a newly arrived rival. Lee Seol-gu, Kang In-seong, Yoo Sang-jae, Lee Hyun_woong, Lee Si-hoo, Cho Myeong-yeon, Park Jin-su, Moon Yong-il, Lee Pung-un Added on Netflix 2021-04-23.