On the Fourth of July weekend, an attack on the vulnerable UnitedStates infrastructure begins to shut down the entire nation. Themysterious figure behind the scheme has figured out every modernangle…but he never figured on McClane - the old-school "analog" fly inthe "digital" ointment.
It's the beginning of the holiday, but New York City DetectiveMcClane isn't celebrating. He's had yet another argument with hiscollege-age daughter Lucy, and received a crushingly routine assignmentto bring in a young hacker, Matt Farrell, for questioning by the FBI.But for McClane, the ordinary has a habit of exploding into theextraordinary - abruptly hurtling him into the wrong place at the wrongtime.