In 1930s England, Tony and Brenda Last and their son, John Andrew, live an idyllic life in the huge Victorian country house that is the symbol of Tony's family pride. The chance arrival of a penniless scrounger irrevocably shatters the gentle balance of their lives as Brenda's search for excitement and Tony's determination to hold on to what is his eventually lead in the direction of divorce and send Tony to South America.
It is the summer of 1953 and Nurse Appleyard is rushed to a secret location where she discovers her patient is Winston Churchill, the elderly Prime Minister. Churchill has suffered a stroke and may not last the weekend. As Churchill's wife and family gather at his bedside, long-buried tensions rise to the surface.