1994年,榆江(⛲)制(zhì )药厂三(📼)名职工(🐌)于台(🔼)风(🌰)夜残(cán )忍被(bèi )害,嫌疑(yí )直指制药厂领(🎗)导(🎹)一—许成(chéng )(🛤)梁、段志刚和(hé )杜(dù )斌(bīn ),但因证据不(bú )(⏬)足,案件搁浅(♑),此(cǐ )案也成(chéng )为老刑警石光明的心结(🕖)。十(shí )(👁)五年后,死者的后(hòu )代(🚥)苏然携丈夫(fū )赵伦以(yǐ )记者身(✖)份(fèn )重返榆(🖍)江,利用制药厂(chǎng )假(jiǎ )药(🔊)危机接近(jìn )(🌙)许(xǔ )成梁三人,伺机(jī )复仇(chóu )。苏然先以(yǐ )杜斌(bīn )(🌑)制售假药之事大(dà )做文章(zhāng ),但杜斌突(🤠)遭(zāo )灭口,后(hòu )用(yòng )(🙀)段(duàn )志(zhì )刚与许成梁夫(⛏)人(🥫)之(🤷)私情(🧤)挑起内斗(🕙),段志刚(gāng )(👺)又离奇(🤳)殒命..接二连三的(de )命案让石(🗳)光明(míng )带队介入,事态(🍑)迅速升级,愈发紧迫。最终在苏然(rán )(👪)的布(🤷)局下,潜(qián )藏(cáng )的恶(📟)人们皆惨烈离场,无一善(🤔)终,但苏然也难逃命(💏)运与(yǔ )法(🔷)律的(de )制裁,当她(tā )如愿完(wán )成使命后