Production: Finalizing production budget, filming the movie begins.
The tale of a recently orphaned 10-year-old boy who discovers a world of hidden passageways, magic and danger in his uncle’s old house. more
Lewis Barnavelt moves into his uncle’s spooky old Victorian mansion. Strange noises lead the boy to find secret passageways, hidden rooms and the unsettling discovery his peculiar uncle is a warlock. Lewis finds his uncle's spell book and unwittingly resurrects an evil wizard who sets in motion a chain of supernatural events tied to an ancient secret hidden within the mansion’s walls.
official plot version from deadline.com