When Marci's brother, Hector, gets hurt in a car accident, it seems the doctors won't be able to help him. Marci and her friends take matters into their own hands and search for a magical artifact, the ancient Spearhead, which is rumored to have healing powers. Unfortunately, the spearhead's whereabouts have been lost to time-but these kids won't let anything stop them! Join Marci, Kay, and Archie at landmarks around the nation's capital as they hunt for clues and dodge their sinister competitors who have nefarious plans for the Spearhead. It might be the only thing that can save Hector.