To cheer up Mr. Keegan, the students present him with an unusual gift and several surprises on Christmas Day. Meanwhile Holden shadows a graffiti artist around campus.
Sherman goes on the road because he is upset by the class's reaction to his Christmas video. Meanwhile Holden refuses to reveal the mystery graffiti artists identity, and may face suspension.
Penny tries to expose the shady doings of the favorite son in the school elections, while Amanda, his girlfriend and running mate, does her best to cover up for him.
Vance's new girlfriend leads him deeper into the school drug world, while Mr. Keegan is torn whether to tell Vance his suspicions that she is an undercover narcotics agent.
Mr. Keegan begins to crave the excitement of his days as a TV journalist when a former colleague visits. Meanwhile Sherman is stunned to discover a friend is using steroids.