三年前,吴(🕸)刚因(yīn )涉(shè )毒被贩(🍥)毒(dú )集团(🎗)K所(suǒ )杀,其子吴振(zhèn )峰(陈晓 饰)因(📿)莽撞违(⏬)纪(jì )被(bèi )开除警籍。吴振峰心如(🐿)死灰,被兄弟(dì )陈宇(王(🕯)一博(🙍) 饰)阻拦出(chū )境,途中(🕌)二人险(xiǎn )遭劫持,吴振峰为(wéi )救陈宇(🚑)被毒(🥀)贩掳走,从(cóng )此再无(wú )音讯,这一刻(🔩)二人(rén )的命运被(⏯)彻(😞)底改(gǎi )写。三年后,陈宇成(chéng )为禁(jìn )毒民警,不料吴(wú )振(🤠)峰再度归来(lái )却与命案牵(qiān )连。吴(🍄)振峰洗刷嫌疑(yí )后(hòu ),却被陈(chén )宇发(👺)觉(jiào )他(🏯)与贩毒集团有(yǒu )着千丝万缕的(🌮)联系(xì )(🗳)。为彻底(💝)歼灭贩毒(dú )集(jí )团,陈宇(yǔ )服从上级部门的(🐛)安排(pái ),脱下警服开启禁毒生(💹)涯的新历(😝)程。与(🙎)此同(tóng )时(🐡)他(tā )才得(📧)知吴振峰竟是潜伏在贩毒集团(♌)的孤胆(dǎn )(🐞)英雄。陈宇与吴(wú )振峰先后打入贩毒集团内部,两人(rén )默(🚽)契配合(hé ),并(🕕)肩作战(zhàn ),最(zuì )终在(🔪)公(gōng )(🐂)安部署下将贩(💅)毒集团一网打(💑)尽(jìn )(🎴)。兄弟二人(⛴)继续投(💁)身于(⏺)公安(ān )(🔮)禁毒(🈳)事业中(🍯),不忘初心,牢(láo )记使命(mìng )。