Returned to Earth, Ellen Ripley learns that a colony has been established on LV-426, the planet where the crew of the Nostromo found the original Alien.

But contact with the colonists has been lost, so she must accompany a unit of colonial marines to discover their fate. And to destroy any Aliens found on the planet known as Acheron.

This is a groundbreaking sequel by science fiction legend Alan Dean Foster, with the wonderful characters and rapid-fire action that make Aliens one of the greatest science fiction films of all time.