In a follow up to the original 1972 hit TV movie. Our hero Carl Kolchak now works in Seattle, Washington. During this film he find a Dr. Jekyl and Mr. Hyde like serial killer lurking in the catacombs of The Seattle Underground. From 1889 to 1973 a serial killer go out for two weeks, strangles the victims and drains the blood in the process. The killings take place every twenty one years through a news historian and much to the chagrin of his cantankerous boss Anthony(Tony) Vincenzo. He also finds out through a college professor about a secret anti-aging elixor. Our killer is a former Union Army Surgeon who uses blood to stop his aging process.
A great supporting cast in this film is included. Al Lewis(Grandpa Munster), Margeret Hamilton(The Wicked Witch on the Wizard OF Oz), Scott Brady, JoAnne Pflug, Wally Cox(The Voice of Underdog, and his final appearance), Richard Anderson(Oscar Goldman of The Six Million Dollar Man and The Bionic Woman).