Late at night, a Korean man, Chi-hoon, visits his older sister’s house which is located in a residential area in the United States. He knocks on the door and it is Mun-seok, the husband of Chi-hoon’s sister, who welcomes Chi-hoon. The two start drinking. While having conversation, the truth that will determine the fate of their family is revealed. What on earth happened to this family?
Unfortunately the movie Open the Door is not yet available on HBO Max.
| Directing | Jang Hang-jun | Director |
| Sound | Kim Tae-hoon | Music |
| Writing | Jang Hang-jun | Screenplay |
| Production | Song Eun-yi | Producer |
| Camera | Seo Dong-gi | Director of Photography |
| Art | Lee Ha-na | Production Design |