Sins of the Angels - Grigori Legacy, #1

A hard-as-nails cop with a secret bloodlineHomicide detective Alexandra Jarvis is up against a vicious serial killer unlike any she's ever known. She has neither time nor patience for the irritating new partner abruptly assigned to her. Especially when that partner is arrogant, high-handed, and intent on getting in her way at every turn--and when he has wings that only she can see. An undercover hunter out for vengeanceA millennium ago, Aramael sentenced his brother to eternal exile for crimes against humanity.
Now the fallen angel has escaped and is wreaking murderous havoc in the mortal realm. To find him, Aramael must play second to a human police officer whose very lineage threatens his mission-and whose unexpected ability to see him for who he really is threatens his soul. Who will pay for the sins of the angels?Now the fallen one is coming for Alex. If he succeeds, he could trigger the apocalypse itself.
Can Alex and Aramael overcome the tension flaring between them in time to capture him? Or will they end up committing a sin even more unspeakable than his?