1408 has four alternate endings, all of which bring a unique spin to Mike Enslin's storyline, and each 1408 ending explained a different resolution for Mike. Based on a Stephen King short story, 1408 focuses on horror author Mike Enslin, who visits haunted places, hoping to capture the paranormal and write a book about them. To his dismay, none of the so-called haunted rentals give him concrete proof of the existence of the supernatural. However, one day, Mike receives a postcard that warns him not to visit The Dolphin's room no. 1408.

Out of sheer curiosity, Mike decides to visit the hotel and is surprised that the hotel's manager, Gerald Olin, tries to convince him to stay out of the room. Mike refuses to comply with the hotel manager's requests and even threatens to press legal charges to acquire the room's key. Everything initially seems fine after he enters the room, but the longer he stays there,...