Prince of Darkness — Tracy L. Ranson

Married to her job, cop Christine McCall wants to find the murderer of her best friend and partner, David Williams. Pushing aside the guilt she feels at not being able to save him from death, Christine reluctantly agrees to allow Drake Haaken, owner of the BERSERKER club where David had been killed, to help with the investigation. Thrust into a world that she never knew existed, Christine is torn between her human loyalty and vampire love. The choice she makes may end her life.