Granny confuses Mrs. Drysdale's forays into astrology with the practice of black magic. An intended gift for Ellie Mae from Mr. Drysdale only adds to the confusion.

Jethro is anxious to become a new "Double Naught" spy and Mr. Drysdale gives him his own office. A bank robber hopes to con an unwitting Jethro into helping him get into the bank vault.