After five years, Cherry still cannot forget the horror of the car crash that took her parents' lives. Something about that night had never made sense and haunted her dreams. She had tried to prove that she should have died along with her parents by embarking on every dangerous pursuit she could find. At twenty-six, she was running out of things to prove she was a vulnerable human. Booking herself and her best friend Sam on a river rafting adventure designed to make the most advanced adventurer panic. Cherry was confident this time she would prove she was either a human or something she had always suspected ... engineered to save her life. Being Cherry's best friend since high school made an expert out of Sam. For some reason, the sweet, gentle child she knew before a career spanning the military and various intelligence sectors had changed into a death-defying woman. Could she find out the cause of the change without either losing lives in the process? Would Cherry ever face the night that ripped her world apart?