Another exciting mystery begins for the young detective when her friends
Bess and George ask her to investigate a rumor that their wealthy
great-granduncle, Asa Sidney, is virtually a prisoner in his own
mansion. But solving the mystery and befriending Carol Wipple, the
sixteen-year-old foster daughter of the caretakers of the old mansion,
nearly costs Nancy the friendship of Bess and George. It takes all of
Nancy's sleuthing ability as well as diplomacy to save it.Nancy braves
one danger after another to bring to justice the swindlers who are
stealing Asa Sidney's fortune. With only the sign of the twisted candles
to guide her, Nancy uncovers hidden treasure and an amazing letter that
ends a family feud and brings unexpected happiness to Carol.