On the borders of an empire soul cultivators find an exhausted man shrouded in darkness. Shii, the only one practicing forbidden arts, aids a stranger and has to choose between solving a political strife, monsters threatening people and the life of a mysterious man about to get executed for abnormal powers. Does his secret hide something important? The tragedy of one person will be a salvation for the rest. Only Shii is to discover what has never existed to open up his eyes to the reality.