The wife of a Marine serving in Vietnam,'' Sally Hyde (Jane Fonda) decides to volunteer in a local veterans hospital to occupy her time. There she meets Luke Martin (Jon Voight), a defeated wheelchair-bound vet who is now disillusioned with the war. Sally and Luke produce a friendship that soon becomes a love affair, but when her husband, Bob (Bruce Dern), yields unexpectedly, she must decide between staying with him and pursuing her new love.