Vampire Amaury LeSang is cursed to feel everybody's emotions like a permanent migraine. The only way to alleviate the pain is through sex. When he meets the feisty human woman Nina, a cure for his ailment seems within reach: in her presence all pain vanishes. Unfortunately, Nina is out to kill him because she believes he's involved in her brother's death.

The last thing vampire bodyguard Zane wants to do is to guard a hybrid, a half-vampire, half-human, whose father wants to keep her a virgin. Known for his violent temper and callous lack of compassion, Zane's out-of-control rage, born of the cruelty he suffered during the Holocaust, drives him to focus only on revenge. Trying to find the last of his torturers is his only goal in life. ortia is a young hybrid with a serious dilemma: In a few weeks, her body will be set in its final vampire form.

Vampire bachelor Samson can't get it up anymore. Not even his shrink can help him. That changes when the lovely mortal auditor Delilah tumbles into his arms after a seemingly random attack. Suddenly there's nothing wrong with his hydraulics - that is, as long as Delilah is the woman in his arms. His scruples about taking Delilah to bed vanish when his shrink suggests it's the only way to cure his problem. Thinking all he needs is one night with her, Samson indulges in a night of pleasure and passion.

After being kidnapped by a vampire hunter, vampire bodyguard Yvette's first instinct is to kill the bastard. But before she gets the chance, she realizes that he was double-crossed by the witch he was working for and now is in as much danger as she is. To get his brother out of trouble, bounty hunter/vampire slayer Haven has to deliver the young actress Kimberly to a witch. Unfortunately, she's protected by the very creature he hates most: a vampire.

Vampire bodyguard Quinn has lived the last 200 years as a playboy trying in vain to forget the only woman he has ever loved: His human wife Rose, who he believes to be dead. But Rose is very much alive. Now a vampire herself, she has lived in hiding from Quinn all of these years, having faked her death to hide from him a terrible secret - one she knows would drive him to kill her.

Scanguards bodyguard Cain struggles with amnesia, however, the curtain to his past finally begins to lift when a mysterious stranger appears, revealing that Cain was the victim of an assassination attempt. It turns out that not only is Cain a powerful vampire king, he's also engaged to Faye Duvall, the female vampire who's been haunting his dreams. When Faye thinks Cain is dead, she's devastated and can only keep going because she knows her clan needs her. Out of loyalty and love for her fellow vampires, she agrees to marry Abel, Cain's brother, and is shocked when Cain returns to reclaim his throne. Cain is determined to recapture the love he once shared with Faye. But the assassin won't give up and his ruthlessness knows no limits. Backed up by his loyal friends from Scanguards, Cain suddenly finds himself in a fight to the death and confronted with a choice: to either save his kingdom or his queen.

Newly turned vampire and Scanguards bodyguard Oliver has trouble controlling his thirst for blood. Every night is a struggle against temptation, but when Asian beauty Ursula literally falls into his arms, he fears he will lose the battle over his inner demons and succumb to bloodlust. Enslaved by vampires for her special blood, Ursula has just escaped her captors. She's rescued by a handsome stranger, only to realize that he's a vampire.

Blake Bond, a vampire, and Lilo Schroeder, a human, are thrown together when their mutual friend Hannah goes missing. As they unravel the mystery of Hannah's disappearance, they uncover a dangerous plot by rogue vampires that may endanger the lives of all humans. Not only do Blake and Lilo have to stay one step ahead of their foes, they must also fight their mutual attraction. Despite all of Lilo's courage in the face of danger, there's no telling how she will react once Blake reveals his true identity.

Scanguards vampire and master of mind control Thomas has mentored newbie vampire Eddie for over a year - and been in love with him for just as long. But he believes that his love will never be reciprocated. While patrolling San Francisco for evil vampires, Eddie kisses Thomas as a diversionary tactic and is shaken to the core by his reaction. He's terrified of his sexual attraction to his mentor and afraid that moving forward and giving in to his desires will destroy the relationship they have.

After 20 years incarcerated in a vampire prison, Luther is finally free. But before he can close this chapter of his life once and for all, a kidnapping thrusts him back into the world of Scanguards and into a confrontation with the vampires whose mates he very nearly killed two decades earlier. Actress Kimberly "Katie" Fairfax has turned her back on Hollywood and now teaches drama at a college in San Francisco. When Scanguards owner Samson's daughter disappears during a performance, Katie blames herself.