Shin-chan and the Kasukabe Defense Group are planning to perform an absolutely no-stunt Kung Fu challenge on the stage in Aiya Town, also known as the Chinatown of Kasukabe city.

After her werewolf lover unexpectedly dies in an accident, a woman must find a way to raise the son and daughter that she had with him. However, their inheritance of their father's traits prove to be a challenge for her.