Feeling a little bored with their new hero life, Po and the kids are excited to accept an important invitation to the Forbidden City. Meanwhile, there's a curious disturbance deep in Panda Village...
Po and the Kids take a shortcut to the boat bound for the Forbidden City, and are waylaid by a tricky monkey. Zhizhu informs Mayor Li of some distressing sounds coming from the Wellspring.
The whole gang escapes pursing Guards, battles flowing lava, and survives crumbling caves and pillars to finally make it back to the Forbidden City. Xiao is ready to escape the palace, but Shi Long has other plans for her.
Po and the kids are recruited to perform in Mei Mei's theatrical show, but things take a turn when Jindiao ruins the play in order to find a mystical scroll.