Jang Geu Rae has played the game of Go since he was a child. When his plans of becoming a professional Go player fail, the down-and-out Geu Rae is forced to take an office job as an intern set up for him by an acquaintance’s recommendation for him to a large company called One International.
On his first day of work, Geu Rae meets an eager fellow intern An Yeong Yi as they both try to please their new boss, Section Chief Oh Sang Shik, and keep up with the ambitious employee Jang Baek Ki. But they quickly find that their department is a little different from the others.
Geu Rae does his best at his new job while trying not to lose his humanity along the way.
A drama about Kim Cheo Seon's life during the Joseon Dynasty. Kim Cheo Seon was a loyal and faithful eunuch for various Kings, such as the 5th King, Munjong, and the 10th King, Yeonsangun, during the Joseon era.
In the Joseon Dynasty period, the kingdom was enveloped in a political maelstrom. Cheo Seon was born as a posthumous child and separated from his mother immediately. He was raised by Weol Hwa and the old Swe Gwi, who ran the eunuch school. When he meets So Hwa, the daughter of a powerful noble, he falls in love with her immediately. He voluntarily becomes a eunuch to be close to So Hwa and is assigned to work for Cho Chi Gyeom, a senior eunuch. Entering the royal palace, he sees King Sung Jong and So Hwa spend their first night together. He becomes So Hwa's loyal protector.
As the political battles rage on among the courtesans and wives in the palace, So Hwa is chosen by the king to be his queen and Cheo Seon vows to be her loyal servant. But So Hwa is eventually dethroned as the queen and leaves the palace in disgrace. Cheo Seon helplessly watches these events unfold and he secretly helps So Hwa. But in a cruel twist of fate, he is the one chosen to execute So Hwa's death sentence by serving her a bowlful of poison. After So Hwa dies, he looks after her son King Yeon San as if he were his own son.
