心惊肉跳：黑夜中的不速之客与难以言喻的恐惧感alettaocean高清tv

　　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.