DELVING INTO THE HISTORY OF AN OLD ESTATE, NANCY INHERITS A DANGEROUS LEGACY!
The vintage blue satin jacket Nancy just purchased suits her perfectly. But an old safe-deposit receipt and a brass key sewn into the jacket’s pocket lining spark her interest as well. Her friends Bess and George agree that the concealed key needs some investigation. Nancy’s quest soon leads her to Haddon Hall, a boarding school that was once a grand estate.
Several strangers are much too interested in getting Nancy’ brass key, and she suspects there’s a hidden legacy of wealth to be unveiled. Nancy has to use every ingenious trick she knows to unravel the estate’s secrets. As she draws closer to the truth, she’s suddenly square in the face of danger — trapped alone in the woods and facing a very determined enemy!