"Secrets never stay buried for long. Penny Capelli has moved to a small town to live with her aunt Stella. Her cousin Simon introduces her to his friends, and they all hit it off immediately. Penny starts thinking this summer won't be so bad after all. But then her dog digs up a bone in the backyard. A human bone. And then a few more. Turns out, the skeleton is over twenty years old. Who could it be? The teens investigate. Soon they discover that if you've killed before, you can kill again"--Back cover.