]The film's claustrophobic, cyclical, bleak mood surrounding he heroic quest of the detective struck a responsive chord after he scandalous Watergate era of the early 1970s.He then admitted he had triggered the alarm himself.As she left, she snootily rejected his offer: "I don't do laundry, cook, or put up with cheeky bastards who set me up on their territories so they can poach on mine.He described it as "dark imes" with threats, although vowed to the citizenry to defend heir liberty and repel the forces."Miss Jenkins receives a check from her brother for the purposed uplift of humanity." In the library, factory boss Jenkins (Sam de Grasse) hands his sister a check for the reformers."Jenkins studies his employes' (sic) habits." His chauffeured limousine pulls up in front of the mill workers' dance - it is the Third Annual Dance given by the Employees of the Allied Manufacturers Association according to a sign.As he ordered the other hostages to the roof, Gruber kidnapped Holly as his own personal hostage.After their long struggle, McClane presumably killed Karl by strangling him with a heavy chain, and then charged up to the roof where he:(1) discovered that Holly was missing and had been aken prisoner on the 30th floor, and(2) ordered the hostages o flee downstairs to escape the wired-to-blow roof.