Mulder and Scully search for a killer whose savage murder spree reoccurs every thirty years, where there appears to be no tangible method for the murderer's entrance and escape.
Genres: Crime , Mystery , Sci-Fi & Fantasy
Keywords: alien , american-folklore , believe , conspiracy , fbi , fbi-agent , government-cover-up , investigation , paranormal-investigation , paranormal-phenomena , phenomenon , supernatural , supernatural-power , ufo , watch-series-online