"The Haunted Mansion" is a supernatural comedy that follows the story of a real estate agent, Jim Evers, who, along with his wife and children, stumbles upon a mysterious mansion while on a family trip. Unbeknownst to them, the mansion is haunted by a host of quirky ghosts, each with their own backstory and unfinished business. As the Evers family explores the eerie estate, they encounter a variety of spectral characters, including the mansion's enigmatic owner, who reveals a dark secret tied to the family's past. With humor and heart, the film blends elements of adventure and mystery, as the Evers must work together to solve the mansion's riddles and help the spirits find peace before they can escape the haunted abode.