Le Zhao is a renowned detective hidden away in a mountain village, as well as a country martial arts instructor with formidable skills. By chance, he awakens a card System that lets him unlock all kinds of investigation and martial arts skills by collecting physical cards with different functions. While running a martial arts school and teaching students in the village, he uses ingenious tricks to crack all sorts of baffling cases nearby. Packed with jokes throughout, he lives the good life in the countryside with the power of a card overlord.
