13-year old twins Andrew and Kristine Taylor continue their journey with the Crystal Locket, which they first discovered in present-day Virginia. This time they find themselves in ancient crete, a highly advanced civilization with indoor plumbing and awe-inspiring rchitecture, as well as in the fabled city of Atlantis.
In Crete, they face their dreadednemesis Chimera, where things are not as they seeem and the mysteries run deep. This time their challenges are harder, their enemies more cunning, and their will even stronger as tehy again battle the forces that could distroy the world....but will they be able to thwart their enemies in time?