The film is set in the fictional Utah community of Santa Ynez, which is being terrorized by a mysterious black coupe that appears out of nowhere and begins running people down. After the car kills off the town’s Sheriff (John Marley), it becomes the job of Captain Wade Parent (James Brolin) to stop the murderous driver.

Los Angeles private eye Philip Marlowe is hired by paroled convict Moose Malloy to find his girlfriend Velma, former seedy nightclub dancer.

After being run out of Las Vegas, Kolchak heads for Seattle and another reporting job with the local paper. It’s not long before he is on the trail of another string of bizarre murders. It seems that every 21 years, for the past century, a killer kills a certain number of people, drains them of their blood and then disappears into the night. Kolchak is on his trail, but can he stop him?