Years ago, scientists began developing the ultimate military weapon: deadly sleeper assassins housed within the bodies of teenagers. Now, Subject Seven, the dangerous alter-ego living inside a 16-year-old boy, has escaped the lab and is on a mission. His objective? To seek out others like him and build an army capable of destroying their creators.

Hunter, Cody, Gene, Tina, and Kylie: five teenagers leading typical lives, until the day they each receive a call from a mysterious stranger-and learn that their destinies are intertwined. Subject Seven holds the key that connects them all. And a vicious, bloody battle for their lives is just beginning.