Retired Navy SEAL and chef (Steven Seagal) is traveling by train with his estranged niece, Sarah (Katherine Heigl), to attend his brother's funeral. The journey is hijacked by a group of mercenaries led by Travis Dane (Eric Bogosian), a disgruntled, eccentric computer genius who has seized control of a top-secret military satellite weapon, Grazer One . Using the moving train as an undetectable mobile command center, Dane threatens to destroy the Eastern Seaboard for a billion-dollar ransom. Ryback must dismantle the mercenaries one by one with the help of a quick-witted train porter, Bobby Zachs (Morris Chestnut). Under Siege 2: Dark Territory - film-authority.com
Under Siege 2: Dark Territory (1995) is a high-octane "Die Hard on a train" sequel that represents the peak of Steven Seagal's leading-man career before his transition to direct-to-video features. Directed by Geoff Murphy, the film doubles down on the "invincible hero" trope while delivering a more ambitious, tech-heavy premise than the original.