At the center of the plot is private detective Demyan Gromov, a man with a sharp mind and a strong character, accustomed to trusting only facts and his own intuition. His life changes dramatically when his sister Masha disappears without a trace. The last thing he manages to learn about her is a strange tattoo of Roman numerals on her shoulder, which appeared shortly before her disappearance. This mysterious mark becomes the first thread in a labyrinth of secrets that Demyan must immerse himself in completely. During the investigation, Gromov accidentally meets Lera, a young woman with an identical tattoo. Her appearance turns the case upside down: it turns out that the Roman numerals are not merely a personal symbol, but a sign of belonging to a mysterious organization whose leaders promise their followers a mystical rebirth. The deeper Demyan delves into the essence of this community, the more clearly he realizes that his sister has been drawn into a dangerous game whose rules no one fully understands.
