Shin-chan and his friends go on summer camp. They form a group and make their own tent and also help Yoshinaga in preparing a meal. The principal asks the students to prove their courage and sends them to stamp a paper in the forest, but Kazama get very scared. Misae keeps the watermelon for dinner, but Shin-chan eats it. Later, he puts the blame on Shiro, but gets caught by his mother.