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Season
Season 1 Episode
- Season 1 The Secret Light (Part 1)
- Season 1 The Secret Light (Part 2)
- Season 1 The Curse of Shilla’s Gold
- Season 1 Behind Those Crimson Eyes
- Season 1 The Sealed Tale
- Season 1 Ghosts of Yidu
- Season 1 The Arcane Village
- Season 1 The Immortal Prophet
- Season 1 Attack of the Changgwi
- Season 1 Return to Dragon Palace
- Season 1 Rebirth of the Dubak God (Part 1)
- Season 1 Rebirth of the Dubak God (Part 2)
Secret Investigation Record - Season 1 Episode 1 The Secret Light (Part 1)
6.50 48 minutes 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.
