Please answer the following question about this movie plot. If it's un-answerable, please output "No answer". Question: Why do Breckinridge and Garrison race to the summit ? Movie plot title: The Sentinel Movie plot: Pete Garrison (Michael Douglas) is a Secret Service agent and one of the personal bodyguards for the First Lady of the United States Sarah Ballentine (Kim Basinger), with whom he is having an affair. He is one of the oldest and most experienced agents, having been involved in saving Ronald Reagan's life during the Reagan assassination attempt. A fellow agent and close friend, Charlie Merriweather (Clark Johnson), is later assassinated in front of his home. He gets wind from a trusted informant that the killing of Merriweather is related to an assassination plot against the President. The information provided by the informant revealed that a mole with access to the President's security detail had provided information to the assassins. The Secret Service Protective Intelligence Division, led by Garrison's former protege and ex-friend David Breckinridge (Kiefer Sutherland) with rookie partner Jill Marin (Eva Longoria), is tasked with investigating the plot, which begins with polygraphs for every agent. Meanwhile, the mole discovers the discussion with the informant and Garrison's affair with the First Lady, and attempts to blackmail him by luring him to a coffee shop known to be a meeting point for Colombian gangs. Along with failing the polygraph test (for lying about the affair), Garrison becomes unwittingly framed by the mole and becomes the prime suspect for providing the information to the assassins.When Breckinridge confronts Garrison at his home and begins to interrogate him about his dealings with the plot, the source of the two's estrangement comes to light: Garrison supposedly had an affair with Breckinridges wife and caused the breakup of their marriage, which he denies. Garrison escapes capture and conducts an independent investigation of the assassination plot, while making brief contact with the First Lady to deny his involvement. He tries to contact the informant who gave him the tip, but finds that he has been killed. He briefly encounters Breckinridge while finding the informant, but...
Answer:
No answer