Echoes of the Void

The world hums with a hidden language, a symphony of frequencies shaping reality itself. Brenda Cooley hears it—the subtle vibrations, the whispers of the universe. Raised by a DJ father and a linguist mother, she perceives sound not just as physics, but as a potent force capable of manipulating the very fabric of consciousness.  When a discordant note disrupts this delicate harmony, Brenda's reality begins to fracture.
A shadowy organization, the Harmonists, promises utopia through carefully curated soundscapes, luring the masses into blissful obedience.  Opposing them are the chaotic Dissonants, whose distorted frequencies aim to shatter this manufactured tranquility. Caught in this sonic crossfire, Brenda finds herself battling an unseen war for the human mind.
Joining forces with Seth Kelley, a cryptographer obsessed with the hidden language of fractal patterns, Brenda unravels a conspiracy that reaches far beyond the human world.  They uncover a chilling truth: both the Harmonists and Dissonants are mere puppets, manipulated by an ancient entity existing as pure vibrational energy, feeding on the psychic resonance of sentient beings.  This entity communicates through the very frequencies both factions wield, its motives as incomprehensible as the void from whence it came.
Their pursuit of truth leads them through repurposed concert halls humming with psychoacoustic energy, abandoned government facilities echoing with failed experiments, and city streets pulsating with an unseen war.  Armed with Brenda's sonic shields and Seth's decoded fractal patterns, they confront the entity in a crumbling amphitheater, a place where sound has held power for millennia.  The battle is fought not with conventional weapons, but with resonating frequencies, a symphony of defiance against the ultimate form of control.
In this heart-pounding thriller, Brenda and Seth must navigate a world where sound is weaponized and consciousness is the battlefield. Can they expose the entity's manipulation and reclaim the symphony of their world before it's consumed by the echoes of the void?