内容简介：
The story is about a fictitious adventure taken by Courtney, Alex, and their friends Jordan, Whitney, Kelsi, Ashley, and Emily. They all live in and around Caddo Mills, Texas, and call themselves the Caddo Sisters Club. The girls go back in time to 1870 Caddo Mills where they make friends with Caddo Indian girls and soon learn that their new friends have a serious problem. To help their new friends the girls must face danger in 1870 and back home in 2005. The girls learn a little about the history of their town, but more importantly they learn that true friendship can span the bounds of time and last forever. The story is loosely based on actual Caddo Mills history.