Shawna is not a typical teenager. Not only is she homeless and surviving in New York City on her wits and talents, but she is also the target of a sinister group of creatures bent on killing her. After barely escaping with her life, Shawna must ally herself with the only group capable of stopping them and keeping her alive. Under the tutelage of Decker, a highly skilled agent and his personal assistant Gibbs, Shawna begins her intense training to become a member of this covert group of defenders for humanity. They relocate to Colorado where Shawna manages to find friendship and gains the attention of a charming and mysterious young man. Shawna's new life in Colorado is interrupted when her enemies discover her location and she is forced to put her training to the test. Shawna must face her most lethal enemy and comes to a deadly crossroads that will alter her life forever ... if she can survive.