A Weapon With a Heart

Skylar is a teenage girl who has been living in the agency since she was 5. Swallowed by shadows of pain and loneliness, she became a killing machine with no heart. Skylar is given a new mission, and the hardest one yet . In addition she is given a partner for the first time. Will Sky's heart melt? Will a killing machine ever become human again? Or will pain eat her alive?