当老民警(jǐng )冉(👷)曦(廖凡 饰)遇上(shàng )公安大赵赶(gǎn )鹅(🕋)(尹(yǐn )昉 饰),从“互不(bú )顺(shùn )眼”到携手(🛤)并(bìng )肩。横跨18年(nián )的胡同(📿)悬(xuán )案为(wéi )何(🎲)让(🎏)师徒(tú )二人(♑)从(cóng )联(😎)手(shǒu )破案(⚫)到(🐿)“反目成仇(🤷)”?(🛍)井底下的红(🙍)色高跟鞋、抓(zhuā )不住的(de )胡同杀手……小片警(🍮)碰上大案子,他(🐶)们能否成功破局?