After the death of her father, 14-year-old Harlie Castleberry lives with her estranged mother in Cleveland, Georgia. She brings with her an attitude and a chip on each shoulder.
Attitude and chips fall away when she discovers the family secret: the ability to shapeshift into mountain lions.
With the help of cousin Tomahawk Billy, Harlie prepares to face her greatest challenge: vanquishing an ancient evil plaguing the north Georgia mountains.