Despite repeated warnings about humans from their father, the Abominable Snowman, two Abominable Snowkids find themselves in a sleepy Colorado mountain town after being chased out of their hideaway by a scientist determined to capture them.
Famous organist Anton Phibes is horribly disfigured in an automobile accident while rushing to the side of his sick wife and presumed to be dead. Once Phibes learns that his wife died on the operating table, he is convinced the doctor's are responsible and begins exacting his revenge on all those involved.
Japanese villagers worship a monster and his son who live in an island cave. Some circus people hear about them, go to the island to capture the monster and wind up shooting its son. Then the trouble starts.