Tigri and her stone age friends, all of which are women, hate all men. However, she and her Amazon tribe see men as a "necessary evil" and capture them for potential husbands. Engor, who is smarter than the rest of the men, is able to escape them. He discovers fire and battle enormous beasts.
When a group of isolated people in the Greek mountains set off a cave explosion, they are menaced by an invisible shrieking dinosaur that had been buried for eons
During his childhood, a boy sees four men drown his father; now, the grown young man makes it his business to kill each member of the foursome. His last killing presents him with some challenges, as his victim is only wounded. He kidnaps the man's daughter and goes to a hideout. In the meantime, an ex-cop has been tracking them down.
