As the girls make stuffed animals at Farmer Fran's Barnyard Buddies, Nancy gets stuck in the middle of George and Bess's worst fight ever after Bess receives a mean Valentine and thinks George was the sender.
Three houses in River Heights have been burglarized, and the police are blaming the babysitter, but Nancy doesn't think Juanita did it, so she sets out to prove Juanita's innocence.
While on a ski trip, Nancy, George, and Bess find themselves wrapped up in another mystery when the ski supply room is ransacked and Bess becomes the prime suspect.