Doris Dowling

Don Birnam, a long-time alcoholic, has been sober for ten days and appears to be over the worst... but his craving has just become more insidious. Evading a country weekend planned by his brother and girlfriend, he begins a four-day bender that just might be his last - one way or another.

The Chevy Mystery Show is an American television anthology series featuring a different mystery each week that aired on NBC in 1960 as a summer replacement.

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, it becomes the job of Captain Wade Parent to stop the murderous driver.