An uncredited adaptation of H.P. Lovecraft's "The Lurking Fear." After a violent thunderstorm, mutilated bodies are found at a Louisiana camp ground. Investigative reporter Clint Harrison uncover a dark local legend about the reclusive Dansen clan, who may be connected with the murders. Determined to dig up the truth, Clint and his buddies decide to spend a stormy night at the seemingly abandoned Dansen mansion . . .