
August goes undercover as Jake Rheams, a notorious East Coast drug lord, who arrives in Los Angeles to make a deal with the Carletti crime family. August meets with Gina Carletti, the beautiful and seductive daughter. Alex Zota, the boss' right-hand man, suspects August from the start, never really believing that he is the real Jake Rheams. Meanwhile, Chase must back up his partner the best he can, including an interrogation with the real Rheams, who is being held at the station. August is tested by Zota, and only Rheams has the information that can help Chase save his partner's life.
A young woman is found murdered with fang marks on her neck, her body completely drained of blood. Chase and August attempt to question a suspect dressed as a vampire, but he takes off in a hearse, leading the detectives to a warehouse. They interrupt what appears to be a blood-drinking ceremony with a group of men and women, all dressed as vampires, and bring several ""vampires"" in for questioning. Wanda, the attractive leader of the group, falls for Chase and wants to protect him from the suspect they originally chased, who may not be what he thinks he is, but who may be just a dangerous.
Having just finished lunch in Chinatown, Chase and August are preparing to head back to the station when they see a drug deal going down. A chase ensues, and the detectives split up. When August finds Chase, he is lying in an alley, unconscious, with one of the men lying next to him dead. An eyewitness says she saw Chase kill the unarmed man, but Chase can't remember what happened before he was knocked out. August feels certain his partner is innocent and sets out to uncover the truth while Chase is suspended.