Jailed seven years for a murder he didn't commit, a talented Go player joins with a reclusive Go master to exact revenge on the real killers. Woo-sung Jung, Choi Jin-Hyuk, Ahn Sung-kee, Kim In-kwon, Lee Si-young, Lee Beom-su, Jung Woo-sung, Ahn Kil-kang Added on Netflix 2020-03-14. Youtube Trailer