Having received a rare and unclaimed education, neurobiologist Kirill Ozerov comes to work at a school on a dare. Here he encounters uncontrollable teenagers, bullying and tired teachers who are oppressed by the system. Ozerov is full of energy and enthusiasm. In the fight against the chaos reigning around him, the young specialist quickly gains allies and enemies. Each chapter of the novel "Four Months of Darkness" is dedicated to a different character. You will see the events that took place in the Rainy City through the eyes of completely different heroes. A gifted boy and a mysterious watchman who lives in the school basement. An inexperienced teacher and an Iron Lady who devoted her entire life to education. The girl who is offended by everyone, the teacher’s son and many others will fight for their place in the sun. Welcome to the Rainy City, where, despite four long months of darkness, there is always a place for joy and light.