Isa, it means 'one'. She is the number one assassin that was created. She advanced quickly and did everything that she was supposed to. But what happens when the police find out on Isa's location and remove her from her Master's care? She gets placed with Luke; a good friend of the police who happens to be a sexy cowboy that lives in Oklahoma with his son. Will Isa adpat to her home or can an assassin not be anything other than what it is really is? Can she regain human emtions or will she remain frozen? And if she were capable of regaining emotions back, will Luke be able to bring her back from her soulless life?