When Frank Langley learns that a childhood nuisance has died, he makes the mistake of driving to the cemetery to look at the grave. The next day, he hears a voice in his kitchen and realizes that the voice belongs to the man he visited the previous day. From that day on, he is teased and tormented relentlessly. He struggles to discover some way of dealing with this, but when the demon almost gets him killed, Frank realizes that he must find some way of sending the demon back to Hell.