Lucy and Robbie argue over who should tell Mary about their emerging relationship. Meanwhile, Matt worries that a young woman in his study group might be a victim of physical abuse at the hands of her belligerent boyfriend. Eric's sister Julie shows up at the Camden house with her toddler Erica and annoys Annie as she tries to prepare a lesson for her class. Simon meets up with Sasha and they both try to catch up on their personal lives.
Elenco: Stephen Collins , Catherine Hicks , Beverley Mitchell , Mackenzie Rosman , David Gallagher , Nikolas Brino , Lorenzo Brino , Barry Watson , George Stults , Jessica Biel , Jeremy London , Ashlee Simpson , Rachel Blanchard , Scotty Leavenworth , Sarah Thompson .