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 defeated wheelchair-bound vet who is now disillusioned with the war. Sally and Luke produce a friendship which soon turns into a love affair, but if her partner, Bob (Bruce Dern), returns unexpectedly, she needs to decide between staying with him and pursuing her new love.