Six years ago, the famous scientist Vyacheslav Kuznetsov disappeared without a trace in Voronezh. By all indications it seemed that a crime had occurred. However, the teacher was adored by both students and friends - who could plot anything against him? When the truth came out, it turned out that the story involved drugs, the dissolution of the body in acid, greed and the betrayal of a close friend. "Cold" tells a story that shocked the whole city.