Mu Xin, adopted son of the Dwarf King, sets out to save his tribe and the hostage Qing by seeking an ancient sword. Along the way, he rescues Mei Chen, whose father Wu Feng sacrifices himself to unlock her White Witch powers. During the battle for the sword, Wu Yin, Mei Chen’s foster father, turns the blade into a demonic weapon to seize power. Haji sacrifices his life, stopping the demonic weapon with his blood. To prevent the barbarian king Ju Tian from claiming the sword, Qing takes her own life and lifts the final seal with her true love’s blood. In the end, Mu Xin defeats and seals Ju Tian, returning to the Dwarf Kingdom to ascend as king.
