The future has arrived, but it is far from the utopia envisioned by dreamers. The authorities have established the "Harmony of Silence" — a system designed to suppress any sounds that deviate from standardized auditory norms. One day, during your service, you encounter a young man named Ettore, walking home and glancing over his shoulder. You recognize him — you've caught him before, possessing a portable player and discs with recordings of old concerts.