Twee zusters wonen in een huis met hun vader en de mentaal labiele stiefmoeder, na het herstellen van een onbekende ziekte. Vreemde dingen beginnen in en om het geïsoleerde landhuis te gebeuren, bovendien beginnen de spanningen onder de vier toe te nemen.
Nee, helaas is Janghwa, Hongryeon nog niet beschikbaar op Netflix in Nederland.
| Camera | 이모개 | Director of Photography |
| Production | Oh Jung-wan | Producer |
| Production | Oh Ki-min | Producer |
| Production | Choi Jae-won | Executive Producer |
| Sound | Lee Byung-woo | Original Music Composer |
| Sound | Kim Kyung-tae | Production Sound Mixer |
| Sound | Kang Kyeong-han | Sound Supervisor |
| Art | Jeon Ro-bin | Props |
| Art | Gang Chang-gil | Set Decoration |
| Directing | 김지운 | Director |
| Writing | 김지운 | Screenplay |
| Production | Kim Jung-hwa | Producer |
| Art | Cho Keun-hyun | Production Design |
| Editing | Ko Im-pyo | Editor |
| Sound | 최태영 | Sound Supervisor |
| Costume & Make-Up | Choi Sun-ok | Costume Design |
| Costume & Make-Up | Kim Do-hee | Makeup & Hair |
| Directing | Lee So-yeong | Assistant Director |
| Sound | Lee In-gyu | Sound Designer |
| Lighting | Oh Seung-chul | Lighting Director |
