America 1968. Protests against the Vietnam War, for Civil Rights, sit-ins, love-ins, happenings - youth pitted against the establishment, hoping to create a better world.Everyone has one special summer. For British students Penny and Kate and Americans, Bobby and Sandy it was that summer on Cape Cod. Warm languid days filled with love, laughter and music. Until the night Bobby's car crashed, burst into flames and, a bitter old woman took control, changing all the survivors' lives forever.One of the four was killed, another damaged; a third disappeared never to be seen by family or friend again. Penny survived, only to be haunted by the dangerous secret of how that summer ended for almost twenty years. Then a letter arrived asking Penny to return to America help right the wrongs of that night? But has she the courage?