Ellen Ripley crash-lands on Fiorina 161, a maximum-security prison, after returning from LV-426. However, she soon realizes that she has brought an unwanted guest with her. Director David Fincher and writers Dan O'Bannon, Ronald Shusett, and Vincent Ward deliver a compelling story, and the talented cast featuring Sigourney Weaver, Charles S. Dutton, and Charles Dance bring it to life.