海边别墅的女房客埃勒维兹掉下悬崖死亡，邻居德拉蒙向警局宣称他们在海边发作了一次争持，他转身分开，后来才发现酒醉的埃勒维兹失足落海。房东——寡妇琳恩搬进了已故丈夫留下的这栋海滨别墅里。她发现德拉蒙会经常过去搅扰她的生活，虽然自己很生气却又被他迷倒。在琳恩决议与德拉蒙结婚并前去度蜜月之时，却发现他能够与埃勒维兹的死有关，甚至还能够会杀害自己……...

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 ho...