Warning: This article contains spoilers for The Black Phone.
A theory about The Black Phone suggests the movie is hiding its biggest secret in plain sight. The newest horror movie from director Scott Derrickson, The Black Phoneis an adaptation of a Joe Hill short story that features a serial killer known as The Grabber (Ethan Hawke), who abducts teenage boys and hides them in the basement of his home until he finally takes their lives. In the midst of all the terror and horror present in the film is the implication that not all is as it seems.
When The Grabber makes his latest victim a shy 13-year-old boy named Finney (Mason Thames), it's revealed to the audience that a disconnected phone in The Grabber's basement—the titular Black Phone—is a tool that the killer's former victims use to help give Finney the upper hand and escape. The Black Phone's villain isn't supernatural, but all the supernatural elements in the film come together to work against him. It's not just the ghosts of The Grabber's former victims teaming up with Finney, as it is also revealed that Finney's sister, Gwen, has dreams that come true—an ability she apparently inherited from their mother. Throughout The Black Phone, she uses her psychic abilities to try to find Finney and save him before it's too late.
Related: Does The Black Phone Have An After Credits Scene?
The Black Phone never says as much, but there are hints that Gwen isn't the only psychic kid in the movie. The first ghost that Finney talks to mentions that the Black Phone has been ringing all along, but none of the other victims could hear it. The Grabber can hear the Black Phone ring because he's being haunted by his crimes and his victims, but there is never any indication that anyone
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