当(🌠)老民(🔨)警冉(rǎn )曦(xī )(廖凡(fán ) 饰)遇(🍩)上(shàng )公安(🃏)大赵(zhào )赶(gǎn )鹅((🛍)尹(🔱)昉 饰),从“互不(🆖)顺眼”到(dào )携手并肩。横(héng )(🥩)跨18年的胡同悬案为(❣)何(🌗)让师(♑)徒二(èr )人(rén )从联手(🐿)破案到“反(fǎn )目成仇(chóu )”?井底下(xià )的红(hóng )色高跟鞋(🏐)、抓(🐖)不住的胡同杀手……小(xiǎo )片警碰上(shàng )大案子,他们能否成功破(⏺)局?