The Major Tones

The Major Tones is a 2023 Spanish-language fantasy mystery film written and directed by Ingrid Pokropek in her feature directorial debut. Starring Sofía Clausen in her screen acting debut, the film tells the story of fourteen-year-old Ana, who discovers that the metal plate she has in her arm from an accident she suffered as a child is now receiving a strange message in Morse code.

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

Poster © the film's rights holders.