Fifty-seven years after Ellen Ripley survived her disastrous ordeal, her escape vessel is recovered after drifting across the galaxy as she slept in frozen stasis. Back on Earth, no one would believe her story ve'Aliens'tren LV-426 planet. After khi'Cong ty'lenh for colonies on LV-426 to investigate, however, all communications with the lost colony. The company recruited a group of aid Ripley tough, rugged space marines on a rescue mission terraformed planets in part to find out if there are aliens or survivors. When the mission opens, Ripley will be forced to come to grips with the worst nightmare of her, but even her, she found that the worst is yet to come.