Wharton creates a portrait of a stunning beauty who, though raised and educated to marry well both socially and economically, is reaching her 29th year, an age when her youthful blush is drawing to a close and her marital prospects are becoming ever more limited. The House of Mirth traces Lily's slow two-year social descent from privilege to a tragically lonely existence on the margins of society.

Loyal slave of the aristocratic Dabney family, Dan is overjoyed when Raoul becomes engaged to Northerner Elsie Hammond and his sister Grace becomes engaged to Elsie's brother John. When the Civil War breaks out, the heartbroken Hammonds return North and John joins the Union army. Raoul joins the Confederacy, but his vindictive overseer, Jonas Watts, becomes a Union officer. Watts takes Grace prisoner, but before he can act on his desires, John rescues her.