In the 1990s, when Go gambling fever swept Korea, Gui-su loses everything because his father gambled obsessively until there was nothing left. Left all alone in the world, Gui-su meets a mentor and Go teacher, Il-do, and goes through vicious training to become the grandmaster of Go. He sets out for revenge on the world that destroyed his life, but soon finds himself chased by an unknown loner pursuing his own vendetta.
권상우
as Gwi-soo
김희원
as Teacher Ttong
김성균
as Heo Il-do
허성태
as Busan Weed
우도환
as Loner
정인겸
as Hwang Deok-yong
Won Hyun-jun
as Shaman Jang Seong
신수연
as Soo-yeon
유선
as Madam Hong
홍기준
as Hookeyes
스테파니 리
as Hwang Seon-hee 2nd tier
Lee Byung-joon
as Chil Bo-sa
