In 1956, toward the end of Rev. John Ames's life, he begins a letter to his young son, an account of himself and his forebears. This is also the tale of wisdom forged during his solitary life and how history lives through generations, pervasively present even when betrayed and forgotten.

Jack tells the story of John Ames Boughton, the loved and grieved-over prodigal son of a Presbyterian minister in Gilead, Iowa, a drunkard and a ne'er-do-well. In segregated St Louis sometime after World War II, Jack falls in love with Della Miles, an African-American high school teacher, also a preacher's child, with a discriminating mind, a generous spirit and an independent will. Their fraught, beautiful story is one of Robinson's greatest achievements....