Shin-chan is approached by his time-traveling future bride-to-be Tamiko, who asks him to help save his adult self from the ruler of Neo Tokio.
After an old wizard is freed from a mysterious tomb, Doraemon, a robotic cat, along with Nobita Nobi, a pre-teen boy, goes to the Wind Village in order to prevent any mishaps there.
Doraemon and its friends open a hole in the time and they're travel to the Country of Mayana, a lost Mayan civilization in the jungle. There, Nobita will know its perfect double, prince Thio, heir to the throne. Both will decide to interchange papers to try to save to the Country of Mayana of the claws of the infernal Ledina witch and her evil forces.
