Po's father's new girlfriend turns out to be Scorpion, an old foe of Po's. She claims that she has been reformed by Mr. Ping's love. Po has a hard time believing this, but he wants to be supportive of his father. Later, Scorpion has baked all the mooncakes for the upcoming festival. She lets Po snack on some of the mooncakes even though they are not supposed to be eaten before a certain time during the festival. Then she reveals that they are all poisoned in such a way that whoever takes a bite of them will be defenseless. As he starts to become woozy, she tells him that she plans to use them to poison everyone in the valley in the same way, so that she can then exact her revenge. While Po is incapacitated, Scorpion tells Mr. Ping that Po had stopped by earlier to ask her to tell Mr. Ping that he never wants to see him again (and that he's not going to the festival with them). Po shows up late at the festival and tries to stop everyone from partaking from the mooncakes, but he is ...