When a series of vampire-style murders plague L.A., immortal investigator Mick St. John sets out to find the culprits and reconnects with a woman, Internet reporter Beth Turner, at a crime scene.
A killer from Mick’s past is released from jail and Beth learns that Mick was involved in the case through the autobiographical book that her friend wrote. The killer threatens to reveal the truth about Mick's identity to Beth.
Still reeling from Mick's revelation about his identity, a cautious Beth struggles as she helps him track down a blood-thirsty, renegade vampire who doesn't know how to deal with his killer.
Mick is injured in his search for a young woman who disappeared from witness protection and who is believed to be hiding in the desert. But when the scorching sunlight depletes Mick's vampire ability to heal him, Beth must rush to help him.
Mick hunts a teenaged vampire who is preying on female escorts he finds on the Internet. Meanwhile, Mick and Beth try to avoid each other after sharing an intimate moment.
Mick finds himself working with Beth again when the search for a mysterious vampire from Josef's past is linked to a drug overdose she is investigating.
Mick experiences deja vu when a fire investigation that destroys a historic Hollywood hotel seemingly replicates the night Coraline died. Mick's sense of nostalgia grows when a woman he is working with bares a striking resemblance to his ex-wife.
Mick protects a frightened young woman from a killer's cult followers after they vow to avenge their leader's dying wish that those responsible for his execution be put to death. But as the threats persist, Mick learns that the killer was turned into a vampire before he was executed and he is after the young woman. Mick and Beth manage to protect the woman.
Beth is jealous when Mick begins working closely on a case with a mysterious photographer. Spurred on by her bruised ego, Beth takes it upon herself to research the woman's background and discovers she isn't who she claims to be.
When a dying man with a long-standing vendetta puts a hit out on Josef, Mick discovers a secret his best friend has kept from him for over 40 years and the real reason Josef believes Mick and Beth can never work.
Josh's fate is in Mick and Beth's hands when he is kidnapped by a vindictive drug lord. But when the rescue takes a turn for the worse, Beth asks Mick to do the impossible.
Mick's dream of becoming human again is within reach when he uncovers Coraline's secret, but the answers come with a steep price. Meanwhile, still angry with Mick, Beth must deal with Josh's death and the fact that he had been planning to propose to her.
When Beth is kidnapped by a suspect in the murder case of her boss at Buzz wire, Mick is forced to decide whether saving her is worth sacrificing being human again.
A rising Hollywood starlet is murdered after she hires Mick as part of her security detail because she felt her life was threatened by aggressive paparazzi. Meanwhile, Beth's new boss at Buzzwire has questionable journalistic ethics.
Beth learns more about Mick's secretive past when the grandson of Mick's WWII war buddy is kidnapped.
Mick and Beth face the ultimate consequence of a relationship between mortal and immortal when a vampire kills a human in the heat of passion. But when the murder investigation threatens to expose vampire identities, Mick and Josef take action.