Maggie Gray raised in rural Montana by her uncle after a house fire claimed the lives of her parents, at eighteen she was eager to leave the United States of Western America to see the world. Thirty years later she is The Federation's top assassin and has seen worlds beyond Earth only to learn the real threat is much closer to home.

Jack Wagner, Guardian has lived on Earth for over eight hundred years protecting those who were destined to change human history. He has lived through wars, plagues on Earth and beyond, but nothing has prepared him for his next guardianship, protecting the only woman he has loved.

Betrayal, murder and the threat of world domination brings Maggie and Jack on a collision course with the destiny of the human race and their own future.