Black Hand
검은손 (original)
Yoo-Gyeong and Jung-woo, a neurosurgeon, are having an extramarital affair. When Yoo-Gyeong’s hand is replaced after a horrific accident, the surgery leads to a disturbing turn of events.
Starring Han Go-eun, Kim Sung-su, Bae Geu-rin, Shin Jung-sun, Park Seo-yeon, Seo Bum-suk, Kim Do-shin, Han Soo-yeon, Jeon Hyun-suk
It's a horror movie, and has a rating of 4.6 out of 10 from Imdb which is fairly low for this kind of movie.
Watch it here
Not found streaming from United States.