Angelheart — Tatiana March

When a beautiful socialite walks in to report a murder, detective Scott Mallory knows she is hiding something. Betrayed by a rich and seductive woman once before, he'll not make the same mistake twice.

But despite his resolve to remain aloof, the force of attraction sends his footsteps to her door.

Savannah Blandin has secrets: A helpless younger sister hidden from the world. Past trauma that gives her nightmares. An unethical act she tries to forget.

As the past collides with the present and people start dying, Savannah has to accept that her own actions brought about the killing spree, and she has to make it stop.

To protect her, Scott must sacrifice his principles, but is it too high a price to pay when Savannah won't trust him enough to tell the truth?