Reverend Daniel Webster is forced to draw a hard line with his son Adam after the boy misses the groundbreaking of St. Barnabus school because he's been detained by the headmistress of Queens Cross due to an incident involving Caroline. Meanwhile, Judith has lunch with her brother-in-law Worth Webster to express her interest in joining him on the campaign trail, but her intent is open for speculation by the prying Nora Paxton. Elsewhere, Grace learns that Lorraine's diabetes is causing her more pain than she leads on - and in the process discovers what happened to her missing marijuana.