李红旗要办婚礼了！本想婚礼一切从简，但彪悍热心的丈母娘（林晓杰 饰）坚持做主想大操大办，李红旗不得不飞往海角，落地后却得知飞机邻座女孩昕昕（马千壹 饰）被人贩子拐走。面对凶残狡猾的犯罪团伙，李红旗与当地办案风格迥异的警察孙彪（崔志佳 饰）强强联手，在婚期逼近的倒计时中和人贩子头目秦叶蓉（黄米依 饰）及卖鱼佬（伍允龙 饰）展开殊死搏斗。婚礼筹备笑料百出，办案追凶惊心动魄——红旗不倒，正义不休假！看李红旗如何罪犯、幸福两手抓。

性格乖僻的成瞎子孤独地生活在南方的一座小城，北方来的倪燕给他黑暗的生活带来了一束光明，成为他生活的希望。好景不长，一直纠缠倪燕的恶人追踪而来，身怀绝技的成瞎子出手相助，为保护倪燕，也为拯救自己。

The blind swordsman, skilled in martial arts, named Cheng Xiazizi (played by Xie Miao), accidentally saves Zhang Xiaoyu (played by Yang Enyou), who has suffered from the destruction of his family. Under the persuasion of the orphan Xiaoyu, Cheng Xiazizi reluctantly keeps him by his side and teaches him skills. Xiaoyu also waits for the opportunity to seek revenge.

影片为《东北警察故事》前传，讲述一名嫉恶如仇的刚正东北小警察李红旗（谢苗 饰）在一次相亲中，意外发现当地涉黄恶霸的存在，随着调查深入，一个以毒品控制及压迫女性的地头蛇恶霸团伙浮出水面，还公然挑衅警察，而且他不曾想到自己最好的兄弟也牵扯其中……面对一个个无辜受害的女性，一群禽兽不如的罪犯，李红旗决定死磕到底，势必铲除这颗“黄色毒瘤”。

The blind swordsman, skilled in martial arts, named Cheng Xiazizi (played by Xie Miao), accidentally saves Zhang Xiaoyu (played by Yang Enyou), who has suffered from the destruction of his family. Under the persuasion of the orphan Xiaoyu, Cheng Xiazizi reluctantly keeps him by his side and teaches him skills. Xiaoyu also waits for the opportunity to seek revenge.

盲眼“捉刀人”成瞎子遇上惨遭灭门和凌辱的酒家女倪燕，原本不想插手的他逐渐被卷入一场势力庞大的暗黑纷争中。成瞎子开始踏上了寻求公道的复仇之路，他的真实身份也随之揭晓。

A highly trained and exceptionally deadly swordsman looks for revenge after being caught in the middle of a power struggle that results in the assassination of an innocent woman's family.