At a railway station cafe, housewife Laura Jesson meets doctor Alec Harvey. Both of them are already married, but they continue to meet at the cafe every Thursday despite the knowledge that their blossoming love is impossible.
In 1916, beautiful young mute Helen is a domestic worker for elderly, ailing Mrs. Warren. Mrs. Warren's two adult sons, Albert (a professor) and womanizing impudent Steven, also live in the Warren mansion.
During their annual visit to the Iowa State Fair, the Frake family enjoy many adventures. Proud patriarch Abel (Charles Winninger) has high hopes for his champion swine Blueboy; and his wife Melissa (Fay Bainter) enters the mincemeat and pickles contest.