In preparation for bath time, Misae asks Shin-chan to check the temperature of the water, but Shin-chan has trouble accomplishing this all by himself. Bullies called the Black Thunders try to chase Shin-chan and his friends out of the park. Their leader, Wolf, challenges Shin-chan to a tricycle race. Although the group leader wins the challenge, Shin-chan rides the cycle like a bike and impresses everyone. At a posh hotel buffet dinner, the Noharas are ecstatic over the fancy food. Seeing caviar for the first time, Shin-chan makes a unique comment.