After Taichi and his companions bid farewell to the Digital World, the Digital World did not close the door to humans, but the Digital World did not have peace for long, and disputes began again. The Digital World urgently needs a group of selected children to maintain peace between the Digital World and the human world. Taichi, Ahe, Sona and others have become junior high school students one after another, and do not have much energy and time to fight side by side with the Digimon. Only Awu and Xiaoguang have become the leaders of the new generation. The selected children include Daisuke Motomiya (voiced by Reiko Kiuchi), Kyo Inoue (voiced by Rio Natsuki), Iori Hida (voiced by Megumi Natsuki), etc. In addition to Agumon, Gabumon and others, new Digimon also participated in the battle with them. So, under the leadership of the first generation of Digimon, the new Digimon and the guardians began to fight against the evil forces...