Returning to her hometown from New York, Susan Applegate learns that she hasn't enough for the train fare and disguises herself as a twelve-year-old to travel for half the price. She hides from the conductors in the compartment of Major Philip Kirby, a military school instructor, who takes the "child" under his wing.

Lydia MacMillan, a wealthy woman who has never married, invites several men her own age to her home to reminisce about the times when they were young and courted her. In memory, each romance seemed splendid and destined for happiness, but in each case, Lydia realizes, the truth was less romantic, and ill-starred.