After discovering that his father is at death's door, Mr. Miyagi sets out to Japan, to see him with Daniel. Upon reaching there, Miyagi decides to confront an old rival. Meanwhile, Daniel encounters a new love, and some new enemies.
NYPD cop John McClane's plan to reconcile with his estranged wife, Holly, is thrown for a serious loop when minutes after he arrives at her office, the entire building is overtaken by a group of pitiless terrorists. With little help from the LAPD, wisecracking McClane sets out to single-handedly rescue the hostages and bring the bad guys down.