Flames spread like disease as the royal palace falls victim to murder led by greed and betrayal. Forced to escape from the catastrophe, two young survivors seek help from a courtesan of Yu Hyangru. To reclaim what has been lost, the plan is set within the heroic guise of the Crimson Moon. However, as the mysteries of the past begins to resurface and dark secrets start to unwind, a cruel fate awaits for each and every encounter.