According to legend, Sacajawea, the Native American woman who helped guide the Lewis and Clark expedition through the American wilderness, is buried on the Wind River Reservation. Now, a college professor and longtime friend of Arapaho attorney, Vicky Holden has disappeared while seeking the truth behind the legend.

Vicky and Father John O'Malley soon discover that her missing friend is linked to another female historian who also vanished on the reservation while researching Sacajawea twenty years ago. The answer to the mystery of the missing scholars may lie in the pages of Sacajawea's hidden memoirs and with a culprit who will do anything to ensure they're never found . . .