The novel is a haunting tale of three friends, who grow up together at a seemingly idyllic English boarding school. As they mature, they discover a dark secret about their school and the purpose of their existence, which is to become organ donors for the rest of society. The story is a profound exploration of what it means to be human, the morality of scientific innovation, and the heartbreaking reality of love and loss.

This novel is set in a post-apocalyptic Moscow, where the remnants of humanity have taken refuge in the underground metro system after a devastating nuclear war. The story follows Artyom, a young man who embarks on a perilous journey through the dark, mutant-infested tunnels of the metro to seek help against a new, mysterious threat that endangers the fragile existence of the metro's survivors. Along the way, he encounters various factions vying for power and control, confronts his deepest fears, and questions his beliefs and the nature of reality itself. The narrative weaves together themes of survival, hope, and the enduring human spirit in the face of overwhelming darkness.