When a mysterious moonstone arrives for Nancy by mail, it does almost nothing to lead her to a mystery her father had already put her on! Can Nancy right the wrongs of one incompetent lawyer from twenty years ago? Has an imposter stolen the modest inheritance of a young girl with a tenuous understanding of her own first name? Most importantly, doesn't that abandoned castle seem a lot more interesting than all this? Join us as we begrudgingly gloss over the mystery of how that drawbridge works in The Moonstone Castle Mystery!