The young noble Didino (Paolo Villaggio) is a big baby and an introvert man who has trouble to socialize, because of his possessive mother. At 30 years old, he is still treated as a kid and does not know what to do to overcome his shyness. Accidentally, the old servant of the family dies in an accident at home, so his mother calls a new scullery maid: will she be able to change the situation?