民国初年,颖城国宝(bǎo )青铜狮(shī )子被盗(dào ),巡捕刘(🃏)春和李(🕟)郎奉命去(🕰)抓捕文物贩子孟凡(fán )平,在(zài )抓(zhuā )捕(bǔ )过程中,文物贩子在(zài )警(jǐng )察(chá )局(jú )内部(bù )人员的掩护下逃(táo )跑。刘(🐿)春和李郎(🎩)从此(cǐ )蒙冤(🎡)被开除警(jǐng )察队(✳)伍,两人受了(🚥)不白之冤,决定重新回(🍮)到(✖)颖(yǐng )城抓(🚸)捕文物贩(fàn )子孟凡平。孟凡平为了(🌙)国宝(bǎo )交(jiāo )易成功,改(gǎi )名换姓潜回颖城,于是一场追(🥎)逃与反追(zhuī )逃的(de )故(✋)事就(jiù )此(cǐ )展开。几经周(zhōu )折,刘(💪)春和(🎾)李郎通过蛛(🥫)丝马迹(🧤),发现卖大饼(😍)的张师傅就是孟(mèng )凡(fán )(🕐)平(🐀),二人开始抓捕(🌮),孟凡(🤘)平一伙又(💹)一次(cì )逃脱。李郎(láng )独(dú )身一(🦇)人开始(shǐ )(➡)抓捕孟凡平,几(🥋)经周折终于抓(🚶)获了孟凡平,挖出了警(🎥)察(chá )局的(🤔)分局长一(🤥)伙(huǒ )(⏲),还给(👌)了社(shè )(📸)会一个(gè )清白(bái )(💸)和公(gōng )道。