Set against the volatile backdrop of late 1980s and early 1990s New York City, Hexadecagon follows Detective Charles William Coffey as he hunts a mysterious killer known only as Michael. Alongside seasoned detective Mac Mackenzie, Charles navigates a city on the brink of chaos, where political battles and underworld crime intertwine with a darker, psychological game.

As the murders escalate, Charles faces haunting visions and riddles that blur the line between hunter and hunted, forcing him to confront hidden truths about himself. Blending noir atmosphere with sharp wit, this psychological thriller explores themes of loyalty, identity, and transformation—ultimately asking whether the greatest danger lies outside or within.