Jethro's childhood sweetheart Louellen comes to visit the Clampetts, who believe that she wants to marry Jethro. Jethro panics and runs away because he thinks that marrying a hillbilly girl like Louellen would damage his image as a sophisticated international playboy. Elly May starts her new job as a secretary for Mr. Drysdale, who is nice to Miss Hathaway only when Elly May is around.