 A couple of years have passed since the incident in Die Hard With A Vengeance. John McClane s policework is deteriorating. As usual he is own his own, until one day. John s old friend, Kenny Sinclair, a former NYPD officer called from Las Vegas. Kenny is now a warden for the Mesa Grande Prison and invited him to the party. However, once at the party, there was a riot in the prison with majority of the guards working with the terrorists. After escaping the prison, McClane now has to face the bad guys for the last time and kill them before Las Vegas is a war zone!