When a neighbor asks Nancy Drew to accompany her to an old uninhabited mansion, a new mystery opens ups, and danger lurks on the second floor. Nancy finds a witch tree symbol that leads her to Pennsylvania Dutch country in pursuit of a cunning and ruthless thief.
The friendly welcome the young detective and her friends receive from the Amish people soon changes to hostility when it is rumored that Nancy is a witch Superstition helps her adversary in his attempt to get her off his trail, but Nancy does not give up. Persistently she uncovers one clue after another.
Nancy s intelligence and sleuthing ability finally lead to the fascinating solution of this puzzling case."