1 Season
12 Episode
Secret Investigation Record - Season 1 Episode 1 The Secret Light (Part 1) (2010)
It is the year 1609, the first year in the reign of Gwanghaegun (Prince Gwanghae), a time characterized by political tensions and frequent occurrences of bizarre and mysterious phenomena that cannot be explained. Hyung-do, a government official and investigator, is asked to look into reports of an enormous UFO sighted in the eastern province of Gangwon-do.
- Country : South Korea
- Genre : Mystery, Drama
- Studio : tvN
- Director :
- Cast : Kim Ji-hun, Jung So-min, Im Jung-eun, Kim Kap-soo, Jo Hee-bong, Yoon Byung-hee