Dark Water

Dark Water is a 2002 Japanese supernatural horror film directed by Hideo Nakata and written by Yoshihiro Nakamura and Kenichi Suzuki. An adaptation of the 1996 short story "Floating Water" by Koji Suzuki, it follows a divorced mother who moves into a rundown apartment with her six-year-old daughter and experiences supernatural occurrences linked to a constant leak of water from the apartment above.

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

Poster © the film's rights holders.