Poor girl: The illegitimate child, Marie Růžová, grows up in the family of the Bořický miller. Childhood and youth spend with the son of Bořice, Klement. Klement asserts the rights, becomes a lawyer, and marries Jirina. In order not to cause further contradictions, Mary will go to Prague secretly at night. There he is living heavily as a waitress. He resists the insults of architect Jansky until he ultimately decides to commit suicide in despair.