Located in the current London, the group of radical activists takes over the annual celebration of the energy company, confiscating 300 hostages to reveal the corruption of the hosts. Their fair reason is captured by extremists in their ranks, who are ready to kill everyone in the building to send their anarchic message to the world. He enters a former soldier, rotated by a window cleaner played by Daisy Ridley, stopped 50 stories on the outside of the building to retain a stuck inside, including her younger brother.