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.
A police chief in the war-torn streets of Los Angeles discovers that an extraterrestrial creature is hunting down residents - and that he is the next target.
Clarence marries hooker Alabama, steals cocaine from her pimp, and tries to sell it in Hollywood, while the owners of the coke try to reclaim it.