An ageing secret service agent, tormented by his failure to save the life of John F Kennedy in 1963, is drawn into a battle of wits with a sinister CIA-trained assassin out to kill the current president. As the day of reckoning draws closer, the agent's nerves are tested to the limit - and nothing seems to be going his way. Wolfgang Petersen's thriller, starring Clint Eastwood, John Malkovich, Rene Russo and Dylan McDermott