Located in the current London, a group of radical activists take on the annual celebration of the energy company, alienating 300 hostages to expose the owners’ corruption. His righteous reason was abducted by an extremist in his ranks, who is ready to kill everyone in the building to send his anarchic message to the world. He falls to the former soldier who became a window cleaner played by Daisey Ridley, stopped 50 floors outside the building to save these prisoners inside, including his younger brother.