Nightmare

Nightmare is a South Korean horror film, released in 2000. It stars Kim Gyu-ri, Ha Ji-won and Choi Jung-yoon, and was directed and written by Ahn Byeong-ki, who also later directed Phone (2002), Bunshinsaba (2004) and APT (2006) The film was the 6th best selling film of 2000 with 322,000 admissions in Seoul after 5 weeks of screening.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.