In a near-future world dominated by augmented reality, you are an underground sound engineer who discovers an audio filter capable of manipulating reality itself. With each sound wave you filter, you unlock hidden memories and confront the dark past of a society that has long suppressed its true history. As you navigate through treacherous alliances and moral dilemmas, you must choose what truths to reveal and what echoes to silence. Will you use the power of sound to enlighten or to dominate? Your choices will resonate across the timeline, impacting not only your fate but that of the society around you.