一名即将退伍的警员黄飞红，就在不久之前，他也是为了能让自己尽快的退伍，她他用尽各种法子想让自己脱离正轨，但是事情却偏偏不能如他所愿，他们的上级领导angela让黄飞红和王不二两人组成队员，王不二为人性格猛烈十分冲动，在首次合作之中，案发现场内，却因为自己的失误与犯罪者陈虎互相打斗，打乱了原来的计划，被上级领导狠狠的批评了一顿。某次执行的任务十分令人头疼，微笑事件中，受害者的脸上都挂着让人捉摸不透的微笑表情。在办案过程中，几个警员困难重重，他们进入受害者家里检查却遇上了调查人，与他产生斗争。期间，他们怀疑过刘金水，但是她却有自己的不在场证明，销售员戴依依也有被列入了嫌疑犯的名单，怀疑是谋财害命，但是他们的不在场证明使案件更加疑点重重

A police officer who is about to retire, Huang Feihong, not long ago, in order to get himself discharged as soon as possible, she and he tried every means Fazi wanted to get himself out of the right track, but things couldn't go as he wished. Their superior leader, Angela, asked Huang Feihong and Wang Buer to form a team. Wang Buer was violent and impulsive. During the first cooperation, the case In the scene, he fought with the criminal Chen Hu because of his mistake, which disrupted the original plan, and was severely criticized by the superior. A certain task performed was very troublesome. In the smiling incident, the faces of the victims were all covered with unpredictable smiles. In the process of handling the case, several police officers faced many difficulties. They entered the victim's house to check but met the investigator and had a struggle with him. During the period, they suspected Liu Jinshui, but she had her own alibi, and the salesman Dai Yiyi was also included in the list of suspects, suspected of murder for money, but their alibi made the case even more suspicious..