A man who believed in war! A man who believed in nothing! And a woman who believed in both of them!

Sally Hyde (Jane Fonda) is borrowing. Her husband Bob (Bruce Dern) has gone to the Vietnam War. She goes to work as nurse in a veterans hospital where Violet, her friend, works too. In hospital she meets an old friend, Luke Martin (Jon Voight). Like Bob, Luke had gone to Nam but he came back paraplegic. Love between Luke and Sally grow and she discovers the orgasm. After the suicide of Violet's Brother (another veteran who came back mad) Luke has only one obsession: do anything to stop the sending of young guys to war...