Lottie is a little girl who is always getting lost! Because of this, her family affectionaly call her Lottie Lostalot. When the family go on holiday, Lottie of course gets lost, and this leads to an amazing, magical, exciting, adventure with a magnificent Owl called Mowk. Kahrn Prince of Owls has been captured by Rheena the Rat Queen, and taken down into the Rat Underworld. Lottie and Mowk must come up with a plan to defeat Rheena and rescue Kahrn. Will they be able to do it?