Salmokji: Whispering Water

Salmokji: Whispering Water is a 2026 South Korean folk horror film directed by Lee Sang-min. Based on the Salmokji Reservoir in Yesan County, the film stars Kim Hye-yoon, Lee Jong-won, Kim Jun-han, Kim Young-sung, Oh Dong-min, Yoon Jae-chan, and Jang Da-ah. It centers the filming crew, who head to a reservoir to reshoot the scene, encounter something lurking within the dark and deep waters.

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

Poster © the film's rights holders.