Welcome to the strange and perilous world of Katherine Colebrook: FBI special agent, Los Angeles... Trackers Division.

Katherine Colebrook's latest case at the FBI is one she stumbled into. Children are being kidnapped and turned into werewolves, and the city of Los Angeles is on high alert. Hate and paranoia are everywhere, from TV talk shows to high schools, and Katherine's daughter Alexandra quickly gets wrapped up in the case.

A tracker's job is never done, however, and the cases keep coming for Katherine and her partner Reese. A fae from the Otherworld came to our world as a fugitive, and it seems something even more dangerous came looking for it. Alexandra manages to find trouble again, the kind that draws blood on both sides. And finally, Katherine learns that her newly adopted family member, Rebecca, is on the run. And she's running from the kind of trouble that comes looking for you, no matter how far you manage to get.