Po has split himself into two opposing parts by looking through the Mystic Mirror of Yin and Yang and needs to stop his duplicate from destroying his reputation and friendships with his bad personality traits.

Po encounters the ghost of Master Oogway, who seems strangely bent on causing dissension in the Jade Palace.

Shifu's personal hero arrives at the Jade Palace, but in his overenthusiasm, Shifu accidentally lets him run amok while Temutai schemes to abduct him.

Po is suspicious when Shifu gets back together with his evil ex-girlfriend, Mei Ling.

Po discovers the seeds of Shuyong: magical items that can actually take the user back in time. After Po disobeys Shifu, evil Fenghuang steals one of the seeds, putting the entire world in danger.