Let You Go to the Hospital and You Caught a Serial Murderer?

Lin Luo traveled to a parallel world and became a backdoor policeman. Lin Luo, whose physical fitness was extremely poor under the intense work and had no foundation, achieved a new record of fainting nine times in three days and was sent to the hospital by his colleagues. On the way to the hospital, he caught a murderer who had traveled across eleven provinces and completed an unsolved case that even the entire police department could not solve! Later, faced with various confusing cases, Lin Luo was able to quickly find out the whole story when no one had a clue. While everyone was still looking for clues, Lin Luo had already returned to the police station with the criminal!