In the suburbs of Tokyo, there lived a boy about 10 years old awkward. Came in front of someone named Sewashi, a fourth-generation descendant Nobita in the 22nd century, and a guard robot cat Doraemon in the 22nd century that helps people with secret gadgets. Sewashi felt that his family suffered because of the debt that Nobita leave it up to his generation, and in order to change the future of this disaster, he sent Doraemon Nobita as a guard in order to provide happiness in the future, and Doraemon are not happy with this. Finally Sewashi install the program in order to force him to Doraemon Nobita to take care of. Doraemon can not go back to the 22 century unless Nobita happy life. It's the story of how life Doraemon and Nobita begins. Will Doraemon will succeed this mission and get back to the 22 century?