Peter Garrison (Michael Douglas) is a White House agent and the First Lady's personal bodyguard. His 20-year career as an agent and his deeds of blocking a shot for the president made him a star in the Secret Service without a doubt. However, Peter never expected that one day he would also be hunted down. Peter received news that Nazis had mixed into the White House and a plot to assassinate the president was brewing, but Agent Charlie, who had the clues, was brutally murdered afterwards. The capable agent David (Kiefer Sutherland) and the rookie Marlene (Eva Longoria) were ordered to take charge of the case and polygraphed all the agents one by one, but Peter failed. His ambiguous relationship with the First Lady also began to spread in the bureau. By mistake, Peter was considered to be the premeditated assassin. However, when everyone was trying their best to hunt down Peter, the real killer was approaching the president step by step. In order to protect the president, Peter, who is on the run, can only persuade David and Marlene to jointly hunt down the murderer in order to reverse the situation...