A down-and-dirty town is forced to shape up when a new marshal (Clint Walker) comes to town. However, when a scheme is launched to destroy the lawman's authority, he must discover the perpetrators and preserve his reputation.
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?