Five people unfamiliar with each other are colonized in a bunker. They are participants in an experiment whose purpose is to find out whether people can survive a nuclear catastrophe, survive in a cold, enclosed space in a society of strangers. It would seem that the goal is noble and clear. But this is only the tip of the iceberg. In fact, the "Phantom" project is a terrible, monstrous experiment. It destroys the mind. He subjugates himself. It awakens the darkest sides of human consciousness. One of the project participants becomes dangerous. Deadly dangerous. "Phantom" begins its sophisticated game. In his hands - the scientific achievements that are so proud of humanity. What is the meaning of this experiment? To whom and for what it was required to destroy the mind of young people? Will the heroes escape from the bunker and stop this terrible experiment? Unexpected turns of events, a sharp plot, interesting characters of the characters will allow you to appreciate the fantastic world. The world in which the "Phantom" reigns.