In his old age, Grandpa has become confused. He believes he is back in World War II, when he was an RAF Spitfire pilot. Only one person can understand him: his grandson, Jack. When Grandpa is sent to Twilight Towers -- an old folk's home run by the sinister Matron Swine -- it's up to Jack and Grandpa to plot a daring escape. Little do they know the wicked matron is on to them ..