Abandoned to face a fate worse than death, Sebastian Parker is out for revenge.

In this third book in the series, Sebastian struggles with his demons, returns to the Academy, and finally meets his match.

Will Sebastian be able to quell his thirst for vengeance? How will he handle the brutalities of the Academy? Will he join up with the Agency in their biggest battle?

Find out, in the darkest book yet, in the Hybrid series.