The kingdom of Yan is in a grip of terror at the hands of a myth. Rumor speaks of a master criminal who can impersonate anyone and be in all places, disturbing the plans of heaven with seemingly no purpose but chaos and bloodshed. But what does this killer seek? A collection of heroes have glimpsed a plot to sent the city of Thrashing Dragon at war with itself. Will they be able to uncover the mastermind or fall to an enemy who can become anyone?