Lincoln Six-Echo is a resident of a seemingly Utopian but contained facility in the mid 21st century. Lincoln hopes to be chosen to go to the "The Island" the last uncontaminated spot on the planet. But Lincoln soon discovers that everything about his existence is a lie.

After a spectacular crash-landing on an uncharted planet, brash astronaut Leo Davidson (Mark Wahlberg) finds himself trapped in a savage world where talking apes dominate the human race. Desperate to find a way home, Leo must evade the invincible gorilla army led by Ruthless General Thade (Tim Roth) and his most trusted warrior, Attar (Michael Clarke Duncan).

An asteroid the size of Texas is heading directly toward Earth at 22,000 mph. NASA's executive director, Dan Truman, has only one option - to send up a crew to destroy the asteroid. He enlists the help of Harry S. Stamper - the world's foremost deep core oil driller - and Stamper's roughneck team of drillers to land on the asteroid, drill into its surface, and drop a nuclear device.