Knight's Shade (Xavier Knight Series, #2)

Fallen angel turned detective Xavier Knight hasn't taken a case in a month. He's too busy laying low to stay out of reach of the Equinox Agency, who want answers about his involvement in the incident that nearly ended the world and almost took the life of EA agent Desiree West. So when Rose McHugh, a makeup artist at Night Shade cosmetics, begs him to find her younger sister Lacy, who vanished without a trace the week before, Xavier refers her to the police.

It's his boss Raguel, the Archang...