Criminal Investigation of the Era: Beginning with the Murder Case at the Meat Factory

Shen Yan was reborn and returned to 1993, the first day when the murder at the meat factory broke out. In the last life, this case ended up being an old case that no one dared to touch because of broken evidence; in this life, he brought the experience of an old criminal policeman into the case ahead of time, starting from a copy of a couplet, a shoe print, and a night train to solve cases that had been dusty for many years.