This chapter outlines a flashback Clementine has with Javier over her past concerning Dr. Lingard and the baby AJ. There is a big important choice that more or less effects the entire ending of the game and that's about
*** Spoiler - click to reveal ***whether or not you kill an overdosing Lingard in exchange for more information about baby AJ. Its morally sound to refuse to kill him but, that has consequences later on in the game.
GamePressure guides outlines the full chapter here.
https://guides.gamepressure.com/thewalkingdeadanewfrontier/g...