This third novel concludes John Galsworthy's Forsyte saga, the monumental chronicle of the moneyed Forsyte family, whose values are at war with its passions.

In To Let, Irene's son Jon and Soames' daughter Fleur, now both 19 years old, fall in love. But when Jon learns of the past feud between their families, he decides that he cannot marry Fleur. To drive her from his mind, he travels to America with his mother Irene. Fleur now throws herself at her long-standing admirer, Michael Mont, a fashionable baronet's son, and the two are married.

Soames Forsyte learns that his second wife, Annette, has been unfaithful to him, and is left desolately contemplating the sale of Robin Hill. When Timothy Forsyte, the last of the old generation, dies at the age of 100, the Forsyte family begins to disintegrate.

John Galsworthy received the Nobel Prize for literature in 1932.