7 years after the original Fortress movie, Brennick and his family are still on the run from the Men-tel corporation. A group of rebels attempt to gain his support but he refuses, wanting to focus on his family. A raid follows and Brennick along with the rebels are captured and sent to a new, more sophisticated fortress prison in outer space. But Brennick's not a man to give in easily, and with a 10 year old son waiting for him back on earth, he's going to pack some serious assault on the evil corporation...