In Exodus, as Macky’s family and guests celebrate Passover, Portia brings her Roman tutor with her to dinner, but Leah recognises Lydia from the sweatshop incident.
As a result Lydia gets Toadie to intimidate the whole family, but after retelling the stories of Moses and the Exodus and The Last Supper the family are inspired to overcome their fear and accept they must move on..
You can read this story in the Bible - here's where to look: Exodus chapters 3, 4:1-12, chapter 5, 7:14-25, chapters 8-14