Teaming up with a ragtag band of “Echo‑Runners”—musicians, engineers, and ex‑soldiers—Elara embarks on a perilous quest across abandoned concert halls, forbidden data‑archives, and the heart of the Authority’s sound‑censoring tower. Their mission: broadcast SONE‑067 to the world’s remaining speakers, rekindling the lost symphony of humanity before the final note is silenced forever.