A brand-new sleepover is about to get seriously spooky! Cally, Brooke, and Jess are three sisters looking forward to spending Halloween together with movies, snacks, ghost stories, and plenty of sisterly fun. But their plans take an unexpected turn when they discover an enormous abandoned mansion rumored to be one of the most haunted houses in town.Unable to resist exploring, adventurous Brooke convinces her sisters to turn the mansion into the location for their Halloween sleepover. Protective older sister Cally brings along a flashlight, while paranormal-obsessed Jess arrives prepared with her trusty EMF detector.
The girls start the night laughing, wearing their favorite onesies, making ghost sounds at each other, and trying to see who can deliver the best scare. But when Jess's detector suddenly begins reacting, footsteps echo through empty rooms, doors open on their own, and mysterious messages appear throughout the mansion, their pretend ghost hunt becomes very real.The sisters soon discover that the mansion's spirits are trying to lead them toward a mystery that's been buried for years.Now Cally, Brooke, and Jess must work together to follow the clues, uncover the mansion's secret, and discover what its ghosts really want before Halloween night is over.Three Sisters. One Haunted Mansion. A Whole New Mystery.