In the shadowy aftermath of World War II, under the Soviet regime in 1950s Eastern Europe, a clandestine group of detectives is tasked with investigating paranormal phenomena across Poland. Navigating through haunted ruins and desolate villages, these agents confront not only the echoes of war but also supernatural entities and bizarre mysteries that defy explanation. Each chilling case is based on actual events, blending historical intrigue with eerie supernatural encounters.