Middle-class housewife Kay Miniver deals with petty problems. She and her husband Clem watch her Oxford-educated son Vin court Carol Beldon, the charming granddaughter of the local nobility as represented by Lady Beldon. Then the war comes and Vin joins the RAF.

The Second World War is over, and the Miniver family is trying to keep themselves together in post-War Britain, among continuing shortages and growing tensions within the family.