A small town doctor mistakenly ingests an experimental drug made from the blood of vampire bats which transforms the kindly medic into a bloodthirsty monster.
Advertising executive Gwen Taylor sends her art director Rick Todd on a mission to bring an artist back to the commercial fold. Meanwhile, Gwen's fatherless son Timmie, at a remote boys' school, is riding for a fall by manufacturing evidence of his "explorer father." By an amazing coincidence, Rick steps off the bus at just the right moment for Timmie to recruit him as "father" without his knowledge. With no intention of collaborating, the befuddled Rick is carried along by the sweep of events. Who can predict the outcome?
Research chemist Barnaby Fulton works on a fountain of youth pill for a chemical company. One of the labs chimps gets loose in the laboratory and mixes chemicals, but then pours the mix into the water cooler. When trying one of his own samples, washed down with water from the cooler, Fulton begins to act just like a twenty-year-old and believes his potion is working. Soon his wife and boss are also behaving like children.
A psychopath on the run takes a job as a handyman at the house of a lonely widow.
In the Canadian mountains, a trapper goes on the run accused of a crime and is pursued by a rugged and determined lawman of the Royal North-West Mounted Police.
A detective tries to prevent the assassination of President-elect Abraham Lincoln during a train ride headed for Washington in 1861.
A bedridden and gravely ill man believes his wife and doctor are conspiring to kill him, and outlines his suspicions in a letter.