An evil corporation tries to pressure a bunch of Arkansas farmers and ranchers to sell their land so they can strip-mine it for coal. The fiercely proud and stubborn Hunter family refuse to give in. This leads to a bitter conflict that results in several casualties. Eventually the take-charge no-nonsense Tom Hunter exacts a harsh revenge on the villains with the help of his bow and arrow.

A young woman is convicted on drug offenses and sent to a women's penitentiary run by a repressed and oppressive female warden. When the prison's sadistic doctor begins conducting illegal "therapeutic" experiments on the inmates, the ladies plot their revenge.

Spend time on both sides of World War I, partly with German flying ace Baron Manfred Von Richthofen (John Phillip Law), aka "The Red Baron," and his colorful "flying circus" of Fokker fighter planes, during the time from his arrival at the war front to his death in combat. On the other side is Roy Brown of the Royal Air Force, sometimes credited with shooting Richthofen down.

A gas is let loose upon the world that kills anyone over 25 years old.