Catherine is jealous when Dot gives Ellen a family heirloom brooch. Ellen is excited about the prospect of receiving the elaborate piece of jewelry, but quickly changes her mind when she actually lays her eyes on it. Matters go from bad to worse when she accidentally loses the jeweled creation and must fess up to her mom. Meanwhile, when Mr. Munn appoints Ellen as the new driver's education teacher, she takes full advantage of the situation.

Ellen decides to go Clark's fanciest restaurant all by herself after not finding anyone to go with. There she runs into Catherine, who's on a secret date with Rusty, whom Ellen thought was still hooked up on her since high school. Ellen tags along on their dates, and they decide to break up since it stopped being fun. Their only worry is how Ellen is going to take the break up. Meanwhile, Pam thinks Mr. Munn has a crush on her and Mr. Munn takes advantage of that after Ellen warns him about Pam's feelings.