A missing best friend. A dangerous underworld. A temptation she can't resist. When Serenity Kline receives a desperate call from her missing best friend, she'll do whatever it takes to bring her back even if it means stepping into a shadowy world ruled by vampires. Determined to save her from becoming a feeder, Serenity leaves her quiet life behind and dives into a seductive underworld where humans surrender their will to powerful vampire masters. Damien Shaw is more than just a vampire guardian he's sworn to protect humans. The moment he meets Serenity, he knows she doesn't belong in his world. Yet her fiery determination and intoxicating allure make him crave her in ways he can't ignore. As Serenity poses as Damien's submissive feeder to infiltrate the vampire elite, she discovers a shocking truth: surrendering control to him awakens a freedom she never knew she craved. And for Damien, just one taste of her blood leaves him yearning for more... more of her, and only her. But their bond is as dangerous as it is undeniable. The deeper Damien pulls Serenity into his world, the harder it becomes to protect her from the darkness that threatens to consume them both. Will their forbidden desire save her friend or destroy them both?