Empath Ava Frost is searching for her triplet brother, Ian, who's disappeared without a trace. When she learns he's been murdered and his death covered up, she also discovers a terrifying secret that could endanger billions of people across the planet...

Skinwalkers, vampires, and werewolves--the entire supernatural world, in fact--are the result of breeding between humans and aliens who crash-landed on earth thousands of years ago. Now, Section 51 is a super top-secret facility dedicated to splicing alien genes with human ones to create an unstoppable army of soldiers.

Determind to hunt down her brother's killer, Ava inadvertently becomes the target of Colonel Briggs, the megalomaniac in charge of Section 51. He has plans for Ava's unique abilities...plans that would give him the key to world domination. And if she doesn't unravel the mystery Ian left Behind, Briggs will splice it out of her as well as her last surviving brother.