Jack's grandfather was a Second World War flying ace who now sadly has Alzheimer's disease, and when his family can no longer look after him he is moved to Twilight Towers care home, run by matron Miss Dandy. It soon becomes clear she is running the place for her own ulterior motives and it is up to Jack to help his grandpa make a daring escape and once again take to the skies in a Spitfire. Adaptation of David Walliams' children's book, starring Tom Courtenay, Kit Connor and Jennifer Saunders.