The Godfrey family is vacationing among the picturesque rocky cliffs of the North Atlantic seaboard, expecting peace, quiet, and, perhaps, a bit of golf or tennis. But one dusky evening in an isolated spot on the grounds of Spanish Cape, Rosa and her uncle David get into an argument about her secretive romance with one of their guests, the roguish John Marco, a handsome cad with a yellow roadster and no visible source of income. That's when a towering...