Synopsis: What could be better than one Hayley Mills? How about two? Special Academy Award®-winning actress Hayley Mills (Pollyanna) shines again, this time of playing twin daughters of a divorced couple (Brian Keith and Maureen O'Hara). The girls, who have long been separated, meet accidentally for the first time at summer camp. After discovering that they are long-lost twin sisters, the two concoct an outrageous scheme to switch places in an effort to get their parents back together.