A person is struck by a car as he crosses the street. A passing motorist tries to help him, but the victim was a vampire who promptly feeds on the good Samaritan. Instead of killing him, he spawns another vampire. The new vampire goes on a spree that threatens to reveal them all. Mick must stop the new vampire.
Two undercover officers are killed while protecting a witness. Fearing there's a mole, Josh hires Mick to find the witness and bring her back. Mick's able to locate her in the desert, but gets too much sunlight. On the verge of death, Mick needs blood to survive. Meanwhile Josh and Beth find out Mick's car has been destroyed, while Josh tries to find the mole, Beth worries that Mick may be dead.
After Beth saves him, Mick tries to avoid her. Beth investigates the murder of an escort, while Mick locates a couple's estranged daughter. The two cases are related so they have to work together, a new development in their relationship.
Beth's new photographer, Morgan, takes some photos of a building fire. When her camera is stolen, she hires Mick to find the culprit and retrieve her equipment. But Mick's more interested in investigating Morgan, who looks exactly like Mick's ex-wife Coraline.
As a convicted murderer is about to be executed, he vows to return. When the star witness at his trial starts to get threats, Beth takes her to Mick. Soon Mick realizes that he may have actually returned. While Beth stays with the witness, she recalls when she kidnapped as a child.