Under SiegeDark Territory is a 1995 American action film set on board a train traveling through the Rocky Mountains from Denver to Los Angeles. Directed by Geoff Murphy, it stars Steven Seagal as the exNavy SEAL, Casey Ryback, and is the sequel to the 1992 film Under Siege also starring Seagal. The title refers to the railroading term that the subject train was travelling through dark territory, a section of railroad track that has no train signals and in which communications between train dispatchers and the railroad engineers were impossible, and on which the train is on a collision course with another train.
Casey Ryback has retired from the United States Navy and is a chef at the Mile High Cafe in Denver, Colorado. Casey is taking his estranged niece Sarah to Los Angeles to visit the grave of Sarahs father. Sarah and Casey board the Grand Continental, a train traveling from Denver to Los Angeles through the Rocky Mountains. Armed mercenaries, led by former U.S. government computer hacker and computer genius Travis Dane and mercenary leader Marcus Penn, hijack the train. Dane worked on Grazer One, a topsecret military satellite particle weapon designed to destroy underground targets. The military fired Dane because of his mental instability Dane later faked his suicide.The mercenaries take the trains passengers and staff hostage, herding them into the last two cars. Casey kills one mercenary, then slips away. ........
Source: Wikipedia