Construction company owner John Matthews learns that his estranged son, Jason, has been arrested for drug trafficking. Facing an unjust prison sentence for a first time offender courtesy of mandatory minimum sentence laws, Jason has nothing to offer for leniency in good conscience. Desperately, John convinces the DEA and the opportunistic DA Joanne Keeghan to let him go undercover to help make arrests big enough to free his son in return. With the unwitting help of an ex-con employee, John enters the narcotics underworld where every move could be his last in an operation that will demand all his resources, wits and courage to survive.
NYPD cop John McClane goes on a Christmas vacation to visit his wife Holly in Los Angeles where she works for the Nakatomi Corporation. While they are at the Nakatomi headquarters for a Christmas party, a group of robbers led by Hans Gruber take control of the building and hold everyone hostage, with the exception of John, while they plan to perform a lucrative heist. Unable to escape and with no immediate police response, John is forced to take matters into his own hands.