In the not-so-distant future, the city of Paris has been transformed into a rigidly divided metropolis, separated into three zones that starkly reflect social and economic class. Society is under the watchful eye of ALMA, a powerful predictive AI that has completely reshaped law enforcement, making crime nearly impossible to conceal and escape. When the brilliant mind behind ALMA is suddenly assassinated, the balance of power is threatened, and hidden flaws in the system begin to surface. Tasked with investigating this high-profile murder, Salia, an elite and relentless agent, must reluctantly join forces with Zem, a seasoned but cynical police officer who has grown disillusioned with the very system he enforces. Together, they navigate a tense and dangerous landscape of corruption, secrets, and betrayal, uncovering truths that could challenge the very foundations of the society they swore to protect.