I need help tbh

The man couldn’t speak and to relax, he would dive underwater and scream. Towards the end of the film, he somehow fixes his voice.

and if i remember right one girl dies in freezer

“Mute” (2018)

https://www.imdb.com/title/tt1464763/

Quotes from the below Wikipedia plot:
”takes a breath and throws both of them into the water.”
”Leo swims to the surface, finds Josie at the bridge’s edge and uses his new voice to warn her away from the danger.”

Wikipedia plot summary: