The journalist Andrei Luzgin arrives in the town of Posolsk to find his missing friend. On arrival, he observed that something strange was happening in the city: people were disappearing without a trace. Corpses with terrible injuries were being found everywhere. Luzgin is involved in a journalist investigation, during which he learns a lot about the terrible details that involve this city, where secret research and scientific experiments are being conducted. A few years after these experiments, Posolsk step-by-step becomes quiet and empty.