The first section is about workhouse children and focuses on Jane (Season 2), Frank, and Peggy (brother and sister from Season 1, Episode 5). It is not easy reading! It is so hard to read about the inhumanity of those places.
The second section is about the trial of Sister Monica Joan. What a character!
The last section is about the Joseph Collett, the elderly man and former soldier whom Jenny befriends in Season 1.
I continue to be amazed at how well PBS has adapted these books! I have the third one on my Kindle ready to go!