When Tigress comes down with a dangerous disease, Po and Monkey must find a rare flower to cure, but a renegade scorpion healer is determined to stop them.
Fearing his own corruption at becoming the most powerful of Shifu's students, Po leaves and encounters one of Shifu's contemporaries who suffered that fate.
When a villainous rival of Master Shifu manipulates Po into breaking an important rule, the consequences allow him to become Grand Master of the Jade Palace.
With his restaurant closed for repairs, Mr. Ping bunks at the Jade Palace, only to make a nuisance of himself while some thugs mistake him for Master Shifu.