Com o início da segunda guerra mundial, Vin, o filho mais velho, regressa da universidade e se apaixona por Carol Beldon, neta de Lady Beldon, uma aristocrata de Beldon Hall, uma mansão vizinha. Apesar de discordâncias iniciais, se casam. Com a iminente ameaça de ataques aéreos à Inglaterra, Vin decide fazer sua parte e se junta à Força Aérea Real como piloto. É enviado para uma base localizada perto da casa dos pais. Clem ajuda na Operação Dynamo com o barco a motor da família. Sozinha em casa, a Sra. Miniver encontra um piloto alemão ferido em seu jardim. Ela o alimenta, o desarma calmamente e avisa às autoridades locais.
Cockney in Air-Raid Shelter (uncredited)
Em Londres, durante os bombardeios da Primeira Guerra, o oficial Roy e a bailarina Myra se conhecem na ponte de Waterloo e logo se apaixonam. Porém, Roy precisa partir para o front de batalha. Myra promete esperá-lo. Meses depois, ela recebe a notícia da morte de Roy. Desiludida e sem recursos, Myra toma uma decisão drástica. Mas será que o seu grande amor realmente morreu?
Postman
Spoiled child Geoffrey Bramer teams up with a pair of small time crooks to pose as an aristocrat and steal jewelry from exclusive shops. During a a caper, Geoffrey is caught and is sentenced to a reformatory where young men are trained to be sailors. He is befriended by model in-mate Terry O'Mulvaney but soon starts to get them both in trouble.
Scotch Gun Bearer (uncredited)
We find con-man Ingraham Steward living by his wits by steering wealthy Paris visitors to sellers of fake paintings and other assorted dodges. He and his wife, Agatha, have been separated for 15 years, but he promises to give their daughter, Joyce, a lavish wedding at his "château" in France. The fact that he doesn't have a château in France is just a minor trifle. He induces the caretaker, Bill Cherau, of a large country estate to allow it to be used for the wedding. The wedding party arrives and Bill falls madly in love with Joyce and she with him, but a gal has gotta do what a gal has gotta do, and her intended marriage to stuffed-shirt Horace Miller stays on the books. But Steward has a change of heart and he tells one and all that he and his friends, Von Gersdorff, Lefevre, Iznamof, Clifton Summitt and Sasch, are all frauds and crooks. Horace and his family stalk out, which is just fine with Joyce as her true love, the caretaker, is waiting on the grounds.
Sergeant (uncredited)
In mid-nineteenth century England the medical establishment does not recognize the value of skilled nurses, cleanliness, nutrition and kindness. Florence Nightingale's heroic measures slowly changes all of this.
Driver (uncredited)
After the woman who raised him claims he's not her son, Richard searches for clues about his identity. Urged on by his mentor, Capt. Randolph Courtney, Richard focuses on Julia Trent Anders, a middle-aged actress who just might be his real mother. But soon, Richard begins to fall for Julia's stepdaughter. Amidst the upheaval, Richard schemes to return Julia to the stage -- but he's in for another big surprise.
Bit Role
The stoic, proper Rev. Gavin Dishart, newly assigned to a church in the small Scottish village of Thrums, finds himself unexpectedly falling for one of his parishioners, the hot-blooded Gypsy girl Babbie. A village-wide scandal soon erupts over the minister's relationship with this feisty, passionate young woman, who holds a secret about the village's nobleman, Lord Milford Rintoul, and his role in an increasingly fractious labor dispute.
