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