Ben (Sid Caesar) and Kate Powell (Vera Miles) rent a haunted New England house by the sea where their son Steve (Barry Gordon) cops the blame for mayhem caused by the pranks of three mischievous ghosts.

　　A pathologist, Dr. Warren Chapin (played by Vincent Price), discovers that the tingling of the spine in states of extreme fear is due to the growth of a "tingler"—a spinal parasite which can kill the host unless it is destroyed by screaming.