Two Swedish business men are kidnapped in Rome by the Mob, and moved to Sicily. Carl Hamilton is sent to Sicily on direct order from the Swedish Government. He is sent to negotiate for their release. Hamiltons partner and best friend, Lundwall, is murdered by the Mob. Hamilton is dragged into a bitter and brutal vendetta between himself and the Mob-leader Don Tommaso.
Assassin Robert Rath (Sylvester Stallone) arrives at a funeral to kill a prominent mobster, only to witness rival hired gun Miguel Bain (Antonio Banderas) complete the job for him -- with grisly results.
Along with his new friends, a teenager who was arrested by the US Secret Service and banned from using a computer for writing a computer virus discovers a plot by a nefarious hacker, but they must use their computer skills to find the evidence while being pursued by the Secret Service and the evil computer genius behind the virus.