The Dark Lord of the sweat duct Don Kurai dark world, was plotting trying to dominate the human world. However, you have to know the dark legend of "Hero" and the darkness Uchiharau "three treasures" is a dash, which is one of the "three treasures" "tak of copper." While trying to take the "shield of silver" and "spear" gold treasure of the remaining two, "shield of silver" and "spear gold" by a man who knew the plot of the dark a little earlier is sent to the human world.

At that time, ShinChan bought the "Action Sword" Action Kamen's new toys in the department store. When he opened the box back in the house, had turned into action Sword ruler however. He decided to then a few days later, picked up a black dog that looks exactly like black & white on his way home from kindergarten, kept as a pet black. That night, he meet a women that come to visit the house Puririn that suddenly,ShinChan who woke up to go out with her being asked. However, the identity of Puririn was dark men were sent to the human world. ShinChan takes the wiles of the dark, they open the door that connects the human world and Don Kurai.
The next day, the darkness will flow into the human world, has gone open door ShinChan, a variety of disaster will befall the home field in the aftermath. At that time, a boy named Tami Mata appeared in front of ShinChan. He said he came to tell that it is a hero who was named "golden spear" ShinChan will protect ShinChan. It was ShinChan was determined to fight the dark with the Mata, Puririn that I learned that Mata appeared gimmick is a trap ........ So READY FOR MOVIE.