The wife of a Marine serving in Vietnam, Sally Hyde (Jane Fonda) decides to volunteer at a local veterans hospital to occupy her time. There she meets Luke Martin (Jon Voight), a frustrated wheelchair-bound vet who has become disillusioned with the war. Sally and Luke develop a friendship that soon turns into a romance, but when her husband, Bob (Bruce Dern), returns unexpectedly, she must decide between staying with him and pursuing her new love.