Vampire, Arabella Simon, never thought she'd find love as part of her career in personal security. Tómas River, an up-and-coming musician client, claims to be her genetic soulmate, making Arabella believe the missing pieces of her life are finally falling into place. Unfortunately, her so-called soulmate's brother forces his way into her life to prove he will go to any extreme to convince her that she is with the wrong twin. Is Arabella willing to risk losing Tom to protect her family?