Plot: Fourth feature in the simian series has apes domesticated and turned into work slaves in the near future. Along comes Ceasar, son of Cornelius and Zira who died in the third film, who leads his chimp brothers in rebellion against the human oppressors, thus creating the time loop that leads to the first film.
Alternative Plot: In this third sequel to "Planet of the Apes," the apes turn the tables on the human Earth population when they lead a revolt against their cruel masters in the distant year of 1990. By doing this it creates the time loop that leads to the first film. "Conquest of the Planet of the Apes" is cinematically etched in broad, brash strokes slashing social satire and science fiction suspense with large-scale spectacle.
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