这是一支有郑一民、季洁扥六人组成的重案六组，本部主要展开的是对一个暴力团伙的真枪实战，从着手开始调查这个犯罪团伙，到发生火拼，导致了重案六组损失惨重，战斗中副组长杨震被王家兄弟打成了重伤，新成员常宝乐也在战斗中牺牲了，然而经过调查结果发现，杨震身上的枪伤竟然是被季洁打伤，姐姐一头雾水，这件事之后季洁也被调出了重案六组，时间转瞬即过，很快三年过去了。其实季洁心中一直喜欢杨震，她虽然不清楚究竟为什么杨震身上的枪伤会是她手枪打伤，但对杨震的自责和愧疚美食每日都困扰着自己，她暂时只能将对杨震的爱放在心里，选择嫁给了别人，郑一民此时也已经成为了刑侦的副支队长，田蕊也离开了重案六组，重案六组重新加入了新成员

This is a six serious crime team composed of Zheng Yimin and Ji Jietian. In actual combat, from the beginning of the investigation of this criminal gang to the fight, the serious case group six suffered heavy losses. During the battle, the deputy team leader Yang Zhen was severely injured by the Wang brothers, and the new member Chang Baole also died in the battle. However, after investigation, it was found that the gunshot wound on Yang Zhen's body was actually injured by Ji Jie. My sister was at a loss. passed. In fact, Ji Jie has always liked Yang Zhen in her heart. Although she doesn't know why the gunshot wound on Yang Zhen was caused by her pistol, the self-blame and guilt towards Yang Zhen bother her every day. The love for Yang Zhen was in his heart, and he chose to marry someone else. Zheng Yimin had also become the deputy head of the criminal investigation team at this time, and Tian Rui also left the Serious Case Team Six, which rejoined new members