With the help of government-issued pamphlets, an elderly British couple build a shelter and prepare for an impending nuclear attack, unaware that times and the nature of war have changed from their romantic memories of World War II.
England, World War II. Quint Munroe, RAF officer and new leader of a Mosquito squadron, is tasked with destroying a secret Nazi base in France while trying to overcome the disappearance of a brother-in-arms.