Chapter 1:

You already know Adam, Bree, and Chase. But did Davenport ever mention the 4th Lab Rat? Or even the others? When Chase stumbles to a file that is hidden in Davenports file cabinet. He even runs into her at school not knowing it was her, not knowing what she is, and not knowing why Davenport kept her a secret this whole time. Keep reading and you'll find out who she is, what she is and what the big secret is?