Criminal Investigation: on the Day He Joined the Company, the Deceased Called

On the first day when Zhou Yan, a graduate of the police academy, joined the criminal investigation team, the alarm center received a call for help from the deceased. The woman died in the locked apartment, and the medical examiner determined that she was already dead. But five minutes ago, she personally told the police: "The murderer is still in the room." Everyone thought it was just a recording set in advance. Only Zhou Yan discovered that the soles of the deceased's feet were stained with construction dust that should not have been in the bedroom. At the same time, the criminal investigation review system was officially launched. Bloodstains will leave directions, footprints will expose lies, and the forged scene will also give out echoes of the truth. Calls from a secret room, missing bodies, perfect confessions, disappearances from the subway, cold cases that have been cold for fifteen years... When one unsolved case after another was solved by this newcomer, the entire police station discovered that the mysterious master "Night Man" who had helped police from all over the country review 28 backlogged cases had been by their side all along. Behind all the cases, they point to the alarm records that disappeared at 3:17 in the morning.