The last thing sheltered missionary Evelyn Gibbons wants upon arriving at the South Dakota reservation is to fall in love. Yet, from the moment she clashes with Black Hawk, the complicated man of the Sioux, she knows he’s everything she could ever want, and everything she can never have. Living in the hills with his young son, Black Hawk reveres the ways of his people and is determined to preserve Sioux traditions. But when he meets Evelyn, a woman from the society he most abhors, not even his own prejudices can smother the flame of desire that burns for her. But in the midst of their unlikely romance is a storm tide of treachery and hate that threatens to destroy their love, and their lives.