夜幕降临，孤狼嚎叫，令人心惊肉跳，寒意袭来。短篇母亲乱小说伦

　　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.