Po has spared the world incalculable circumstances, yet nothing has set him up for the greatest test, to please both guardians. Po meets his natural stop and comes back to his local home, just to understand that does not fit. There he meets Mei on edge, to which he has guaranteed to wed Po. Other than our hero must battle with a malevolent soul called “The Collector”, which can assimilate the forces of the experts of Kung Fu that thrashing. What’s more, his eyes are on Po.