Since he was a child, the board game baduk has been everything to Jang Geu-rae. But when he fails at achieving his dream of becoming a professional baduk player, Geu-rae must leave his isolated existence and enter the real world armed with nothing but a high school equivalency exam on his resume.
Yim Si-wan
Lee Sung-min
Kang So-ra
Kang Ha-neul
Byun Yo-han
Kim Dae-myung
Park Hae-jun
Lee Kyung-young
Shin Eun-jung
Oh Min-suk
Tae In-ho
Ryu Tae-ho
Jun Suk-ho
Jung Hee-tae