A hard-as-nails cop with a secret bloodline.

A warrior angel hell-bent on justice.

A world that will pay for the sins of the angels.

Homicide detective Alexandra Jarvis is up against a vicious serial killer unlike any she's ever known. With the murders stirring up memories of her father's brutal death, Alex has neither time nor patience for the irritating new partner abruptly assigned to her. Especially when he has wings that only she can see.

Aramael knows the serial killer well. He and the fallen angel have been brothers since the dawn of time–and Aramael has hunted him before. Now, sent to Earth to re-capture him, Aramael has to play second to a human detective whose soul is impossibly bound to his — and whose very lineage threatens his mission.

But the fallen one is coming for Alex. If Aramael can't stop him, it could trigger the apocalypse itself. And there are those who eagerly await its coming...