Become secret forces against bloody K-Zombie and save the kingdom! Once upon a time, In the 29th year of King Sejong, Become a Joseon's hero, special secret "Detective" and complete your mission! "The famine struck so hard this spring that there are people eating human flesh." The Joseon Dynasty is in chaos, and the King Sejong has ordered the "Detectives" to carry on a secret mission! Become the "Detective" with excellent physical abilities and the skills to perform Taoist magic to save th