The film Salmokji: Whispering Water has dropped a terrifying clip.
On the 13th, Salmokji: Whispering Water production company Showbox posted a short video on its Instagram with the warning, "Viewer discretion. Do not raise your screen brightness. Do not turn up the volume. Do not watch alone."
They added, "Friday the 13th — whatever you witness in #Salmokji, we take no responsibility."
Fans reacted, leaving comments like, "I regret turning up the brightness. The ghost is terrifying," and "This is a real, full-on horror film."
Meanwhile, Salmokji: Whispering Water is a horror film about a crew that returns to a reservoir for reshoots after a mysterious figure is spotted on a street-view map, only to confront something lurking in the dark, deep water. It opens on April 8.