Against Eric's wishes, Simon asks Mrs. Kerjesz (guest-star real life survivor, Rita Zoharm) to tell her story about being in the Holocaust in his class presentation. To form a strong sisterly bond, Mary and Lucy decide to hate Matt's new girlfriend for no good reason and end up hurting her feelings and breaking up with Matt. Also, Annie suffers heartache when Ruthie tells her she "hates" her for making her clean the walls in her room after scribbling crayons on them.