In the process of investigating a criminal case, Song Cheng, the criminal police captain who is persistent and has extraordinary powers of observation, discovered that the case was inextricably linked to another case four years ago.There is also a common witness Yu Xiao.

As Song Cheng deepened his investigation into the case, the secrets hidden in Yu Xiao's life were revealed one by one.With Song Cheng's encouragement and help, Yu Xiao joined forces with the police to find the truth.As the case progressed, the two men obtained more clues but also faced many obstacles.In the end, Song Cheng and Yu Xiao cooperated with each other to overcome obstacles and bring the real murderer to justice.

It is jointly produced by Youku and Chengdu Haiying Media Co., Ltd., directed by Lin Yuxian, screenwriter Cao Xueping, starring Wang Luodan, Yuan Hong, Huang Zongze, Jiang Xin special starring, Lin Peng, Wang Maolei, Ren Bin, Ma Yujie, Zhang Song, Chen Siyu, Liang Xiaolong,It is an urban women's suspense drama with special guest appearances by Wu Haochen, Liang Songqing, and Ding Zilang, and friendly appearances by Yan Shikui, Lei Han, and Liu Kai.

On August 25, 2023, the play was completed.

On May 23, 2023, the show announced the list of male and female protagonists.The male lead of the play will be played by Huang Zongze, and the female lead will be played by Wang Luodan.It is expected to start shooting in Chengdu in June 2023; on June 25, the show will hold a opening ceremony at Tianfu Youth City, Chongzhou, Chengdu.