Four people -- would-be singer Harrison, waitress Julia, working mom Penny and street thug Milo -- die in a bus accident. As spirits, they find themselves bound to the newborn Thomas Reilly and become his imaginary friends for a portion of his childhood. When Thomas's parents consider putting him in a mental hospital, the four ghosts decide to make themselves invisible to Thomas to help him grow up.
Years later, Harrison, Julia, Penny and Milo learn that they were supposed to use Thomas as a host to fulfill their unfinished business on Earth, so they make themselves visible to Thomas, now an adult, once again and Thomas now has to help his old friends before they become stuck on Earth forever.
10 years earlier 10 years later 80s action Adaptation adventure Animation Based on Animated Series based on book based on comic based on comic book based on tv series Based on video game batman biopic Book comedy comic adaptation comic book crime DC DC Comics Disney drama family fantasy History horror Idea-for-TV kids Live Action martial arts Marvel Marvel Comics Musical mystery reboot remake romance Sci Fi sci-fi science fiction scifi Sequel Superhero supervillain suspense teens thriller videogame adaptation war western