Some unspeakable evil has followed Ren Larson through the dark winding roads to his remote house in the Hollywood hills. He moved there with his wife and child to calm his war nerves. But since he started investigating a series of gruesome murders, the killer leaving behind signs of the devil scrawled in the blood of his victims, Ren has been seeing and hearing strange things. He can't tell if these are only tortured imaginings, relics from his wartime...