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.
During the movement to repeal Prohibition, Oxidontal University student editor Elmer Brown is strongly in favor. He loves the daughter of an ardent prohibitionist; by chicanery, he tries to win Gloria and sell his bottle stopper invention.
A popular band joins the army with the idea of putting on shows for troops overseas. During rehearsals, a battle erupts and the musicians must exchange their musical instruments for guns and fight.
A father's strict upbringing of his beautiful but innocent young daughter may backfire on him when he finds she is being pursued by a lecherous cad who is determined to take her virtue.