While investigating an organised crime ring Top NIS agent Han Ji-hyuk (Namkoong Min) disappears without a trace. Upon his return, he becomes determined to expose the conspiracy that led to his disappearance regardless of the consequences.
| Also Known As: | Black Sun |
| Directed by: | Kim Sung-yong |
| Written by: | Park Seok-ho |
| Starring: | Namkoong Min, Park Ha-sun, Kim Ji-eun |
| Extended Cast: | Kwon So-hyun, Yoo Oh-sung, Kim Byung-gi |
| Original network: | MBC |
| Original release: | 1 September 2021 |
| No. of episodes: | 12 |
| Executive producer(s): | Kim Myung, Yoo Hong-ku, Kelly SH, Song Dun-do |
| Producer(s): | Kim Je-bok |
| Production Company(s): | MBC, 3Mana Creative Ateod Co. Ltd. |
| Distributor: | MBC, Waave |
| Source: | MBC |
