Set on a lush Greek island, the story concerns a sister (Bo Derek) and brother (Peter Hooten), who return home after years abroad. Falling under the island's erotic spell, the girl and boy discover that their love goes beyond filial. The incestuous nature of the story evaporates when it is discovered that the two aren't actually related after all.
Phillip Filmore is a naive, 15-year-old, preoccupied with sex, who develops a crush on Nicole Mallow, the new 30-something, French housekeeper and sitter to look after him when Phillip's father is out of town for the summer on a "business" trip.
Arthur is the most quotable drunk millionaire that is likely to ever steal your heart. Dudley Moore portrays Arthur, a thirty year old child who will inherit 750 million dollars if he complies with his family's demands and marries the woman of their choosing.
Cristina is a rich, spoiled princess visiting Rome with her royal parents. The mission of their visit is to marry her off to a super-wealthy corporate type and thereby start to turn around the losses their small kingdom is experiencing in its casino business.