Louis and Lovely just moved into their new house. When they find a mysterious treehouse nearby with a new book waiting for them inside, they are unprepared for what awaits them. The brother and sister open the sinister book and discover a series of spine-chilling adventures within its pages. As they delve into the Frightful Tales, they unwittingly awaken a dangerous reality they must navigate. With each twisted story, Louis and Lovely are forced to confront their fears and unravel the mysteries surrounding the book, their new town, and their family. If they want to restore the world around them and keep their family safe, they must survive the dark twists and turns of all six stories within the Frightful Tales.