Plot Summary:Disguised as a leper, a man counters threats to his family and treasure.
Villains fight themselves over treasures of the royal family that have been hidden since the Manchuria War of 1636. To round up the villains, a royal detective disguises himself as a paralytic during the day, and becomes a secret agent wearing black hood during the night. He keeps the treasures safe from them and also punishes the murderer who killed his father.