In a dystopian future where overpopulation and environmental degradation have led to severe food shortages, a lone detective named Thorn navigates the crowded and intensely stratified streets of New York City. The government provides sustenance through a heavily rationed synthetic food product known as Soylent, the most popular variety being Soylent Green. When a wealthy and influential board member of the Soylent Corporation is found murdered, Thorn is assigned to investigate the case. As he delves deeper, with the help of his elderly roommate Sol, Thorn begins to uncover disturbing secrets that challenge the foundation of society's dependence on the enigmatic food supply.

As the investigation proceeds, Thorn encounters significant resistance from powerful forces determined to maintain the status quo. He battles through layers of deception, corruption, and danger, revealing a complicated web of intrigue that involves the highest echelons of societal control. With each revelation, Thorn is drawn closer to a truth that could alter the fate of the world, putting himself and those he cares about at tremendous risk. His relentless pursuit of justice underscores the broader themes of survival, morality, and the consequences of exploiting natural resources beyond sustainable limits.