Clementine Rose is going to be on the big screen! Her neighbour, Basil Hobbs, is making a documentary about Penberthy House and has given her a starring role. Clementine can't wait to uncover the magic of motion picture. While the household is humming with movie-making excitement, things are turned upside down with the arrival to two very unexpected guests. Soon troubling incidents start to occur. Can Clementine Rose use her new skills to expose the truth and restore the reputation of Penberthy House?