Drama series follows the life Jang Yeong-Sil: a scientist, technician and inventor during the Joseon period.
Jang Yeong-Sil was born in the lower class nobi. King Sejong notices his abilities and brings him to the palace. King Sejong grants him a chance to display his abilities. He invents tools like astronomical instruments, iron printing press and a water clock.
AWARDS
| Year | Award | Category | Recipient |
| 2016 | KBS Drama Awards | Excellence Award, Actor in a Mid-length Drama | Song Il-gook |
| 2016 | KBS Drama Awards | Best Young Actor | Jung Yun-seok |
