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 | Lee Mo-gae | 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 |
| Directing | Kim Jee-woon | Director |
| Writing | Kim Jee-woon | Screenplay |
| Production | Kim Jung-hwa | Producer |
| Art | Cho Keun-hyun | Production Design |
| Editing | Ko Im-pyo | Editor |
| Sound | Choi Tae-young | 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 |
| Sound | Kang Kyeong-han | Sound Supervisor |
| Sound | Kim Kyung-tae | Production Sound Mixer |
| Art | Jeon Ro-bin | Props |
| Art | Gang Chang-gil | Set Decoration |
