Set in today’s London, a group of radical activists takes over the annual gala ceremony of energy companies, seizing 300 hostages to discover the host corruption. Their fair cause was abducted by an extremist within their ranks, who is ready to kill everything in the building to send his anarchic message to the world. It belongs to the former release window to clean the window, played by Daisey Ridley, suspended 50 stories on the outside of the building, to save those trapped inside, including his younger brother.