The year is 1968 and the war in Vietnam is getting hotter as are the anti-war protests back home. Wounded, but not critically, Captain Will Tanner returns from Vietnam to Fort Carson, Colorado, where he meets Julia, an active anti-war demonstrator.Their attraction for each other leads to an awkward romance. Bored by his routine job as a Special Agent in Army Intelligence and guided by a rebellious sense of social justice, Tanner turns to investigating deserters. He is kept in check by a new friend, a like-minded lawyer also in uniform. But, when the surveillance of anti-war protesters expands, Tanner discovers Julia and her friends have become targets, all in the name of National Security. He worries about her welfare as both head to Chicago, the location of the Democratic National Convention. Tanner, under orders, is there to "spy" on Persons of Interest, whereas Julia shows up to join others protesting the ongoing war.The two form an uneasy truce while events heat up on all fronts.