《夜缉者1971》是一部优秀的恐怖片，主要演员有马克斯·冯·叙多夫,丽芙·乌曼,特瑞沃·霍华德,帕尔·奥斯卡森 A man named Salem escapes from an insane asylum where he was confined for an axe-murder. Falsely convicted under a plea of "guilty due to insanity", he does not plan to let his sister and her husband forget that they were responsible for the murder of a farmhand and for his cruel imprisonment in the asylum.