An underground government facility is locked down by its A.I.-controlled computer when an alien entity travels through a dimensional portal and threatens the lives of everybody inside.
Xtro II: The Second Encounter is a 1991 British–Canadian science fiction horror film directed by Harry Bromley Davenport and starring Jan-Michael Vincent, Paul Koslo, Tara Buckman and Nicholas Lea. It is the second installment of the Xtro franchise, although is narratively distinct from the original. In it, a scientist is sent to another dimension by a secret government experiment, but brings back a murderous extraterrestrial creature which hunts down the research base's personnel.
