"After the death of her adoptive parents, Brenna Anderson finds a mysterious necklace, the piedra de toque, or touchstone, which sparks curiosity about her past. Suspecting that she has an Indian heritage, Brenna goes west with a double purpose: to learn more of her parentage and to finish her father's book on the Sioux. Brenna and her maid, Mendy, visit the sprawling ranch of Kirby Chapman, a man she had fallen for three years earlier. While her love for Kirby still lingers, Brenna realizes tha...