You Solved a Serial Murder Case the Day Before Orientation?

A hard-boiled detective is reborn, and cracks murder cases with ease! After Jiang Ye, deputy chief of criminal investigations, dies in the line of duty, he is reborn in 2008, just as he graduates. A body-dumping case in the hills behind campus is about to happen. With twenty years of criminal investigation experience, he searches for the body ahead of time, follows the clues with hard-nosed reasoning, spots the signs of a serial murder case, and identifies the killer within twenty-four hours. His incredible talent earns him a special offer to join the criminal investigation squad. On his very first day, a horrifying murder comes to light: a scarecrow's body with a real human head! Could this murder, which he has no memory of from his previous life, be the start of a butterfly effect? The reborn detective powers through every baffling case and brings all the killers to justice.