The Tempa twins are back and still trying to figure out how to juggle being U.S Government Agents and normal teenagers. At home they struggle to keep their personal relationships going without anyone knowing what they really do when their Uncle Will calls on them. They find themselves facing am unknown adversary that their parents may or may not have dealt with before they died. Whoever it is does not seem to know their parents are no longer around and will stop at nothing to extract revenge on their family. Who are they and can they be stopped before they hurt someone the twins love?