What is the ending of the novel Tianjin Criminal Police Crime Team?

The timeline is after the end of the second part and before the beginning of the third part, there is a major 815 case.

In the 815 case, Chang Baole, a member of the Sixth Group 2, died, Ji Jie was slightly injured and the criminals robbed Yang Zhen of Ji Jie's pistol. Shot in the waist and seriously injured.

Afterwards, Tian Rui left the police force because she couldn't bear to see her friends being injured and sacrificed; Yang Zhen was transferred from the front line to the Legal Affairs Department after recovering from his injuries; Ji Jie felt guilty that the criminal took away his pistol and injured Yang. After being shocked, he was transferred from the Sixth Group to the pre-trial department, and felt ashamed to see Yang Zhen, so he randomly married someone, but the marriage was not compatible; Lao Zheng was promoted to deputy detachment leader and joined the team; Ding Jian succeeded Lao Zheng as the Sixth Group Team leader.

At the beginning of the third part, Ding Jian had no choice but to beat the suspect, and was tortured by the suspect to extract a confession. The matter fell into the hands of Yang Zhen, then director of the Legal Affairs Department. At this time, due to new developments in the 815 case, Lao Zheng also called Ji Jie back to Team Six to assist in the interrogation. Members of the Old Sixth Group, Ding Jian, Yang Zhen, Ji Jie and Lao Zheng, met again.

After Yang Zhen learned the facts, he suspended Ding Jian and transferred him from the sixth group based on the principle of acting in accordance with the law. His whereabouts were not explained clearly. Ji Jie had a big quarrel with Yang Zhen because she missed the old Sixth Group, but later reconciled. Ji Jie accepted Yang Zhen's suggestion and returned to the Sixth Group. After that comes the story of the third part.