An incident occurs where the owner of Chwiui Battlefield, one of the four major battlefields of Gyeongseong, is brutally murdered in a closed room where no one can enter. The peculiar thing is that he was killed without any wounds or signs of poisoning. In a murder case without evidence, all sides of the opening department face difficulties in the investigation. So-baek Lee, a fortune teller from Shaolin Temple, under the orders of Master Bang, who was the teacher of Shaolin Temple, helps the enemy to investigate a murder case. Meanwhile, Lee So-baek and Jeok-palbang, who find out that the wanted criminal Yong-gu is using the lost currency on the battlefield, point to him as the culprit... Are they sure the culprit they pointed out is the real culprit? And will the mystery of a murder case without evidence or traces be solved?