 Maria is a housmaid and she is being engaged to Berto for fifteen years. Berto has not a lasting job so he is waiting for the death of his uncle Matteo to come into an inheritance. In the meantime Maria goes on with her work, first in the house of an unfaithful wife; then for an actor and his wife on the verge of leaving each other and last for Raffaele who wants to marry her. At last uncle Matteo dies...