"Billy Tree once protected the most powerful man in the world. If the situation called for it, he would have given his own life to save another's. But after his partner dies at the hands of a potential presidential assassin, a physically and spiritually broken Tree returns to his hometown of Falls City, Nebraska, to contemplate his own part in the fiasco." "Joan Blanchard never made it out of Falls City. She stayed behind, locked in an unhappy marriage....