Washington D.C. Policeman John Cale has just been denied his dream job of being a Secret Service agent and protecting President James Sawyer. Not wanting to disappoint his young daughter with the news, he takes her on a tour of the White House, and they are there when the complex is overtaken by a paramilitary group. Now the nation's government falling into chaos, time is running out and it's up to Cale to save the president, his daughter and the country