In "Mostly Ghostly 3: One Night in Doom House (2016)", follow the thrilling adventures of Max, who discovers a mysterious house with a haunted past. As Max delves deeper into the secrets of Doom House, he encounters supernatural forces that lead him on a spine-chilling journey filled with twists and turns. Alongside his ghostly friends, Max must unravel the mysteries of the house before it's too late. Get ready for a night of mystery, friendship, and unexpected revelations in this supernatural tale that will keep you on the edge of your seat.