A man accidentally discovers a plot to cover up a fatal toxic waste accident and is brutally murdered. His wife, an aspiring singer, unwittingly comes into possession of several tapes for which her engineer husband and his partner in the electronic-eavesdropping business were murdered, and discovers that she and her daughter are now being stalked by the killers.
IMDb 6.1/1019801 小時 35 分鐘 
