The hardworking father Jack Marlowe moves with his 10-year-old son Eli into a mysterious old mansion, hoping for a fresh start. Casper appears and sees the father and son without them noticing him, Casper is curious and delighted to make new friends, Unbeknownst to them, the mansion is haunted—not just by any ghosts, but by a theatrical, skeletal-faced specter in a tuxedo and cape named Hairy Scary, who leads a mischievous ghostly ensemble. As Jack and Eli flee in terror, Hairy Scary who has a deep low voice whispers with eerie delight, “It’s your hooooooommmmmeeee…”—a chilling omen that escape may not be so simple. Desperate for help, they enlist the dry-humored priest Father Frank, who recruits a reluctant but brilliant paranormal expert, Dr. Isabela Reyes, recently fired and financially strapped. She joins the mission for a modest fee, and together they form an unlikely ghost-hunting team with, Professor Lionel Graves, a sharp-witted historian, and Madame Zandra, an over-the-top psychic with flair. Their mission: cleanse the mansion of its spectral inhabitants. But everything changes when they encounter Casper, a gentle, lonely ghost who only wants to make friends. Initially mistaken for a threat, Casper soon wins their trust—especially Isabela’s, Casper talks to Isabela that one day he want's to see his parent again and tell them that he loves them. They form a touching surrogate mother-son bond that becomes the emotional heart of the film.
