Harm joins forces with Mac and Clayton Webb to recover the Declaration of Independence, which was stolen by a revered patriot.
Zack meets a college girl and tells her he goes to USC and is studying photojournalism. Screech makes fake IDs and the guys sneak out to meet her at the over-18 nightclub "The Attic." They're in for a surprise when it turns out Kelly's boyfriend Jeff also likes hanging out there...without Kelly.
The gang is working at various jobs during the Christmas holidays, meanwhile Zack's Mom is putting on a production of: "A Christmas Carol." The guys help a homeless man in the mall. Zack falls for one of Kelly's co-workers, Laura, but he's surprised when he learns of her father's plight.
Laura wants to be in the play, and she wants a jacket for her dad, but when her boss, Mr. Moody, thinks she's stolen it, he fires her; the Morris family invites the Bentons to stay for Christmas.