Demon Tongue (2016)

Plot

Four students, dedicated to the study of the paranormal, venture to a remote beach volleyball venue, expecting a routine investigation. Instead, they encounter a chilling reality that far exceeds their wildest expectations. As they delve deeper into the eerie occurrences surrounding the complex, their theories are put to the ultimate test. With supernatural forces at play, the students must confront their fears and unravel the mystery before it consumes them. The once idyllic setting transforms into a battleground of wills, where each decision could spell life or death.