He was a hardcore player of a mystery game set in a martial arts world— Until he woke up inside it, as a low-ranking officer. Yeon Woo-hyuk, an expert player of the detective wuxia game “Great Empire’s Brilliant Constable”, finds himself suddenly reincarnated as a “pokwae”—a law enforcement officer—in the game’s world. Luckily, he remembers all the key cases from the game and begins solving crimes to survive.