Po and The Furious Five have defeated Lord Shen and liberated Gongmen City. Yet even with the fiery menace vanquished, whispers of a primeval evil beset the ancient city. The grip of the past swells in Master Crane, brought forth by the lingering menace of Lord Shen's terrible conquest. But the tides of fate grant a calamitous choice, one that could alter the path of China forever.