总督察Roz Huntley刚刚(gāng )侦破一起连环谋杀案(🔱)，成功(gōng )抓(🍥)获一(yī )(🔧)名(míng )连(lián )环凶(xiōng )手。然(🌰)而法医官Tim Ifield却找(zhǎo )(❣)到反腐小(xiǎo )(📼)组AC-12，提出(chū )Roz在侦(🕖)破过程中刻意(yì )忽略了(le )(🚉)对(duì )嫌疑人(🕌)有利的证(zhèng )据，这(😚)起(🍮)案件(jiàn )可能是(🖍)一(🚑)起冤案。于是AC-12的成员们展开(kāi )了调查……