As Misae goes out, Hiroshi takes Shin-chan's responsibility. Hiroshi takes care of Shin-chan and spends time with him. Misae sends Shin-chan out to play with the ball. As the ball gets into a truck, Shin-chan also enters the truck and goes with the driver. Misae and Shin-chan prepare a trap to get hold of a thief. But, Hiroshi falls into the trap. Later, Misae and Shin-chan realize their mistake. (thetvdb.com)