Jake kisses his girlfriend Caitland goodbye at her departure gate. She's leaving on a flight for Santa Monica Airport. An active shooter enters Sky Harbor International. Jake's best friend is shot twice. Dr. Mackenzy Graham, forensic psychologist, specializes in serial killers. She wants to be one. Caitland hosts a party for her A-list clients in Malibu. After the party, Caitland is alone in the house. The West Koast Killer waits in the dark.