In Lambert, South Carolina there is a mystery involving a buried treasure beneath a run down tennis court. 12-years-old Candace knows it is there because her grandmother left her a letter about it when she died. Is Candace supposed to pick up where her grandmother had failed and try to solve the riddle? Her grandmother was ridiculed and run out of town for trying to dig up clues in the tennis court. Candace recruits Brandon, the lonely boy across the street to help her, because he is also an avid reader and riddle solver. The two sleuths have to do a lot of research and math but they feel there is a hidden path, if they can just learn how to interpret the clues. if you liked The Westing Game by Ellen Ruskin, you will also love this.