The Shifters: Book Four
Orphan Hunter Landon craves a family who will love him unconditionally. When he's adopted by the Knights, an organization dedicated to destroying shifters, Hunter is grateful, but their ideology never sits right. Finally, on a rite of passage during which he's supposed to kill his first shifter, Hunter discovers the truth: he meets Glenn Lightfoot, a deer shifter, and asks a lot of questions.
Glenn hates the Knights and worries about the safety of his herd with one in their midst. After all, the Knights have hurt his family before. On the other hand, this is his chance to convert an enemy, and some instinct tells him Hunter won't betray him.
Soon Hunter sees the Knights for the monsters they are. When his time is up, he leaves the herd to protect Glenn. But Glenn is determined not to lose the man he has come to love and respect to the Knights' cruel campaign.