The product of a troubled and violent youth, Amanda Ripley is hellbent to discover what happened to her missing mother, Ellen Ripley. She accepts an assignment with a Weyland-Yutani team being sent to retrieve the Nostromo flight recorder from space station Sevastopol, which they find out of control due to a Xenomorph that was brought there with the recorder. A conspiracy unfolds, revealing ever greater threats – including an entire Xenomorph hive.