During the Vietnam War, a young revolutionary, isolated with his lover in a country house, struggles to comprehend his self-inflicted inactivity and his alienation from former political associates.

A troubled antiwar activist plans to assassinate the President of the United States. His resolve forces others in a fragmented and disillusioned group of political allies to face the threat of government counterintelligence and the temptations of middle-age security, and to reexamine their commitment to radical action.