- Drama: The Veil (English title) / Black Sun (literal title)
- Revised romanization: Geomeun Taeyang
- Hangul: 검은 태양
- Director: Kim Sung-Yong
- Writer: Park Seok-Ho
- Network: MBC
- Episodes: 12
- Release Date: September 17, 2021 —
- Runtime: Friday & Saturday 22:00
- Language: Korean
- Country: South Korea
Han Ji-Hyuk (Namkoong Min) was the best agent at the National Intelligence Service (NIS). He was admired by his peers, but he put the NIS in a crisis. He then went missing.
1 year later, Han Ji-Hyuk returns to the NIS to find the traitor that caused him to fall into the bottomless pit.