Prostitute is impregnated by a wealthy businessman. Identical twins are born: Márcio created by the father and the mother another. The latter becomes a marginal, while the first, with the death of his father, inherits fortune incalculable. Upon learning of fortune inherited by his brother, the marginal killer, and takes its place in business. Everything goes well until an employee discovers the drama.
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.