In this sequel, Seagal's Ryback character does the same sort of thing aboard a train. Ryback now has retired from the Navy and is taking his niece Sarah on a vacation. They board a train traveling through the Rocky Mountains. Criminal mastermind Travis Dane is using the train as a control center in his effort to kidnap a top-secret government outer space super-weapon. Dane built the weapon but then was fired by the government before it was deployed. He has hooked up with shadowy Middle Eastern terrorists who have offered him $1 billion to use the satellite to blow up the Eastern seaboard by targeting a secret nuclear reactor underneath the Pentagon. Dane shows the Pentagon that he's got control of the weapon by blowing up a Chinese chemical plant. Ryback learns of the plot and enlists a porter named Bobby to help him in his battle.