John McClane is back and badder than ever, and this time he calls on the services of a young hacker in his bid to stop a ring of Internet terrorists intent on taking control of America's computer infrastructure.
Flashing between past and present, a fractured family confronts haunting memories of their old home and the terrifying events that drove them from it.
A high school teacher in Austin tries to balance the competing demands of the students and their parents in a world where the rules seem to change every day.
