The Hardy Boys / Nancy Drew Mysteries

The Secret of the Whispering Walls (1x6)

Air date: Mar 13, 1977

An unseen intruder breaks into the Drew home, stealing documents that will allow Nancy's aunts, Ruby and Lela, to sell their farm. While Nancy's father goes to the State Capitol to replace the papers, Nancy heads to the Farmhouse where she is plunged into a series of strange events that lead her deeper and deeper into danger.