Harmony, a 17-year-old girl who is on her senior year. She's adopted yet she doesn't know that but is left with a strange necklace since being sent off to a couple's doorstep 17 years ago. What she doesn't know is that she's much more than just brains and textbooks but is the prophecy to stop a war between Dark and Light clans, both of which she has and having both is very rare, next to impossible. Soon, both clans find out and send their best assassins who go undercover posing as High School students and finally make their move against the most dangerous girl in the universe. The war must go on says both clans. Harmony, the girl who must stay Hidden until its time.
It's about this boy named Alex who has to live with his parents closes friends until he is nineteen and when his is nineteen he has to make a really hard choice he can live a normal life as a human are become a monster like his dad or be a savior like his mom?