Amanda Ripley is approached by synthetic Weyland-Yutani employee Samuels, who informs her that the black box recorder from her mother Ellen's ship has been recovered and taken to Sevastopol Station, and that a team is being sent to recover it. He offers her the chance to join the operation, hoping it may give her a chance to learn of her mother's fate.

Amanda discovers that the space station Sevastopol is anything but a safe haven. And mechanical failures and violent colonists aren’t the only dangers on the facility.

Sevastopol’s mystery killer hunts Amanda as she searches for her missing companions.

Marlow reveals how the alien came to Sevastopol, and Amanda partners with Colonial Marshal Waits to hunt the creature.

Amanda discovers that Sevastopol’s android caretakers have an agenda of their own, and powerful outside forces have put everyone’s lives in danger.

The story finally catches up to its opening scenes, with Amanda adrift in space around KG-348. Amanda discovers that the alien infestation has grown beyond her worst fears. Her only hope of survival is a shot in the dark.