Misaeng (TV Series)

Since he was a child, the board game baduk has been everything to Jang Geu-rae.[17] 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. Through an acquaintance's recommendation, he gets hired as an intern at One International, a large trading company.