Prot is a patient at a mental hospital who claims to be from a far away planet. His psychiatrist tries to help him, only to begin to doubt his own explanations.

A police chief in the war-torn streets of Los Angeles discovers that an extraterrestrial creature is hunting down residents - and that he is the next target.

In Prohibition-era Chicago, musicians Joe and Jerry witness a mob hit, and flee the state in an all-female band disguised as Josephine and Daphne, but further complications set in.

During its return to the earth, commercial spaceship Nostromo intercepts a distress signal from a distant planet. When a three-member team of the crew discovers a chamber containing thousands of eggs on the planet, a creature inside one of the eggs attacks an explorer. The entire crew is unaware of the impending nightmare set to descen...

When scientists discover something near Antarctica that appears to be a buried Pyramid, they send a research team out to investigate. Little do they know that they are about to step into a hunting ground where Aliens are grown as sport for the Predator race.