Masae scares Misae with a mask. Later, Masae tries to scare Shin-chan but gets a start after Shin-chan scares her with a mask.
Shin-chan and his friends refuse to play out as it is cold. So, the principal rubs his body with a dry towel as an exercise, but catches cold.
Misae goes to buy some medicines for Shin-chan's cold and cough. After returning, she feels sick and Shin-chan gets well.
