In 1850 Oregon, when a backwoodsman brings a wife home to his farm, his six brothers decide that they want to get married too.
In the Oklahoma territory at the turn of the twentieth century, two young cowboys vie with a violent ranch hand and a traveling peddler for the hearts of the women they love.
Teenagers from a small town and their high school science teacher join forces to battle a giant mutant spider, living in a cave nearby and getting hungry.