Shin-chan decides a code for him and his mother as she goes out. Shin-chan makes the courier man utter the code and pesters him.
Yoshinaga brings stilts for the kids to play. Kawamura and Kazama give up, but Shin-chan continues performing stunts on the stilts.
Shin-chan and Misae go to the station to pick Hiroshi as he doesn't have an umbrella. They decide to get drenched and enjoy the showers.
Shin chan se queda solo en casa. Un mensajero llega a casa para traer un paquete, pero Shin chan le pide la palabra secreta para entrar, causándole problemas. La clase de los girasoles se prepara para caminar con zancos. Sin embargo, Shin chan y compañía empiezan a montar un espectáculo con los zancos. Hiroshi llama a casa para pedirle a Misae que le traiga un paraguas a la estación. Shin chan y Misae van juntos a recoger a Hiroshi.
