Four friends pledge to commit suicide together but while standing on the ledge, only one of them actually jumps. Her ghost begins to haunt the remaining friends until the pledge is fulfilled.
Unfortunately the movie A Blood Pledge is not yet available on HBO Max.
| Writing | Lee Jong-yong | Screenplay |
| Directing | Lee Jong-yong | Director |
| Production | Lee Choon-yun | Executive Producer |
| Art | Jeon In-han | Production Design |
| Sound | Park Deok-soo | Sound Supervisor |
| Editing | Kim Jae-beom | Editor |
| Camera | Kang Seung-gi | Director of Photography |
| Editing | Kim Sang-bum | Editor |
| Writing | Lee Se-young | Adaptation |
| Writing | Lee Yoon-hyung | Adaptation |
| Production | Lee Se-young | Producer |
| Writing | Hwang Joo-yeon | Adaptation |
