Once upon a time in post-war Rome: 13-year old Aurora, a gifted pianist, is the daughter of Valerio, a brilliant conductor. After Aurora's mother died, Valerio hired Irene, a single mother of two girls, to run the household. To Aurora's regret he decides to marry Irene. One day, Aurora happens to meet the boys next door, Freddy and Sebastian, the sons of a wealthy Italo-Austrian family. Freddy is an easy-going chap, though sometimes a little bit arrogant. His brother Sebastian is kind and shy, with a great ability to listen to and understand people, which makes him win Aurora's heart. However, Aurora's life is shattered when her father suddenly dies. Irene, the unloved stepmother, lays hands on the family's assets and turns her late husband's villa into a hotel. Aurora is unable to claim her right to inheritance until her 21st birthday. Irene makes her give up schooling and piano playing. Instead, she has to work as a maid in the hotel. Irene's own daughters, Lucia and Teresina, never miss out on an opportunity to tantalize the poor girl. Years later, Aurora has become a young woman. She secretly plays the piano on an improvised keyboard on the windowsill. The employees of the hotel keep her company and became her surrogate family...