On a cold March day, Ria Quinn, amateur archaeologist, arrives in Shokan Falls in upstate New York to claim an inheritance --but who was Aunt Harriet, her benefactor? No one she has ever heard of! Ria discovers there is a mysterious, prehistoric stone circle in the nearby woods that has an impossible connection to the girl's boarding school her aunt attended thirty years before. Along with this, on her first day she finds a dead body in the snow,...