Set in the early Joseon Dynasty, it depicts Sejong the Great and Shinmi as main characters in creating Hangul.

[1] The film was directed by Jo Chul-hyun, and stars Song Kang-ho, Park Hae-il, Jeon Mi-seon, Choi Deok-moon, and Jung Hae-kyun.

[2] In the mid-15th century C.E., the king of Korea, Sejong the Great wants to create a simple writing system so the general population can obtain literacy.

Due to the tensions between Buddhists and the dominant Confucians, the servants are sworn to secrecy and the monks are disguised as court eunuchs.

In the remote location, he simultaneously receives eye treatments and the monks continue to work in total secrecy.