民国(🕕)时(shí )期,兴乌镇(zhèn )中(✒)医九叔(shū )在钱家祭祖时,钱小(xiǎo )姐被勒死。九叔发现(xiàn )(🎺)凶手(shǒu )留下钟馗玉佩,怀(huái )疑(🏴)与(yǔ )钱(🐮)老(lǎo )爷有仇。凶手(shǒu )再(⏬)次(cì )(🎲)行凶,九叔与(📼)警(😎)察队(duì )长梁连生暗中追查(🗄)。最终(zhōng )发现凶(xiōng )手是丁牧(🥄),他为祭奠自缢的弟弟丁远而杀人。丁牧伏(🖍)法,九(jiǔ )叔救(🤯)出被劫(jié )的钱巧云(yún ),小(📎)镇恢(huī )(🚣)复平静(🌚)。