The Criminal Technology Section of the Yunxi City Public Security Bureau is the gathering place for local important and strange cases.The investigation team, led by section chief Chen Guoxian and composed of Si Yuanlong, Ye Qian, Leng Qiming, Wan Jin and intern Wu Danqing, is a young and professional elite team.They are either law-field mind hunters who are good at reasoning and good at analyzing human nature, or they are returnee technology controllers who play with lancets and have a gentlemanly style.The police, there are also old-school police officers who are scheming and giving guidance, and smooth young people who make people laugh.Adhering to the purpose of cracking the code of death and protecting the dignity of life, they each have their own unique skills, perform their duties, and repeatedly solve strange cases. In each of the incredible cases, they see the truth and support justice.There is a sky outside the sky, there is a case within the case, the truth is gradually revealed, and humanity is beginning to be exposed