In a near-future megacity where emotions are traded as currency, you play as Echo, a 'mood hacker' who can manipulate the feelings of others. Set against a backdrop of neon lights and corporate espionage, you are hired to find a missing sound wave—a coveted neural audio chip rumored to hold the key to controlling the populace’s emotions. Navigate through intricate cyber networks and conflicting personal allegiances as you deal with rogue AIs, enigmatic informants, and powerful corporations. Your choices determine not only the outcome of the investigation but also the emotional state of the city itself.