Grace is stunned after Benedict informs her that her fellow colleague and good friend has been accused of sexually harassing a student. Grace immediately defends her co-worker but must re-think her loyalty when new evidence arises. Meanwhile, Bobby is spending so much time with his new girlfriend, Dex, he begins to neglect his school work. Under pressure from Grace to succeed, Bobby cheats on his test. Still reeling from the guilt of kissing Courtney, Jack is horrified to discover she and Missy have become friends.

Grace's warm, intelligent, gay younger brother makes a surprise visit to the McCallister home for Thanksgiving. Grace is thrilled that he has returned but her feelings change after he lands in jail on drug charges. Meanwhile, Jack feels responsible for a friend's suicide.