Wen Jia and Dayong once talked about love for a period of time, but it's a pity that it didn't last long. The shadow of their experience in England was brought by the past, and their brother Lan Yongjia passed away. Wen Jia thought he was betrayed by Dayong again and planned revenge, but he finally chose to let go and left Hongkong.

Extended data:

In Detective Investigation Archives II, Zhang Dayong (Tao Dayu) and Li Zhongyi (Liang Rongzhong) cooperate tacitly and continue to fight the cunning and fierce criminals. Emotionally, Yong and Gao Jie (Guo Keying) become quarrelsome lovers, and their feelings develop steadily. The new policeman () is simple and kind, secretly loves Yong and shows his love on his own initiative. Yong He has a new crisis.

At this point, Gao Jie found that Wen Jia had set fire to kill people abroad because of his past love triangle. Just as he was about to expose this history, Gao Jie's friend was mysteriously killed. Wen Jia's denial of the past is not like pretending. The misunderstanding between Yonghe deepened, and the truth of the matter became confusing.