Knight of Desire (Vampire Lords #1‪)‬

Deep down Stacy Adams knows she's a plain Jane sort of girl with no luck at love. Then a night of desire throws Stacy's world into a state of beautiful chaos. The magnetic attraction she has for this mysterious stranger is undeniable, but frightens Stacy when she discovers who he is and what he wants with her.

William Conway is a vampire lord who has searched many years to find Stacy. He wants no one but this amazing red-headed beauty. When he discovers a secret about Stacy, he understands just how valuable and in danger she is. He and his friends must protect her at all cost before the others find her.