The Immortal tells the story of two people, immortal Dan Hwal (Lee Jin-wook) and formal immortal Min Sang-woon (Kwon Nara), who have had their fate changed by contact with a bugusal, a creature that feeds off human blood and curses you with immortality.
| Also Known As: | Bugusal, Invincible |
| Directed by: | Jang Young-woo |
| Written by: | Kwon So-ra, Seo Jae-won |
| Starring: | Lee Jin-wook, Kwon Na-ra |
| Extended Cast: | Lee Joon, Gong Seung-yeon, Jung Jin-young, Park Myung-shin, Kim Woo-seok |
| Original network: | tvN |
| Original release: | 18 December 2021 |
