- HD 1080
- Runtime: 95m.
- Status: Released
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- Languages: ko
- Country: South Korea
- Director: Go Yeong-nam
- Stars: Kim Yeong-ae, Lee Ki-seon, Yoon Il-bong, Han Hye-ri
- keywords: supernatural, housekeeper
- Production_studio: Nam-a Pictures
- Slogan: Who's actually the villain? Is it all a dream? Is she right?
- providers: Amazon Prime Video, Amazon Prime Video with Ads
- The Suddenly in the Dark is featured in the top rankings of 1981
- #71 in Top Drama Movies of 1981
- #11 in Top Mystery Movies of 1981
- #16 in Top Horror Movies of 1981
A wife starts to suspect her husband's infidelity after the arrival of their new, young housekeeper, who carries a mysterious wooden doll with herself.