Twenty years ago, people suddenly disappeared in a provincial military town, and the remaining residents were found dead. Everything points to the fact that the tragedy may be repeated in our days: natural anomalies begin, lights flash in the windows of empty houses, and broken rides start moving in the park. Nikolai, whose father died then, takes up the investigation, so the order to search for the missing singer Rina doesn't interest him. But perhaps it was she who could shed light on the mysteries, because she knows how to open doors to other parallels.